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SendBig the easiest way to Send files online. Transfer large files up to 30GB Free via email, shareable link, blog or social media. Upload and share videos

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Updated: 2026-09-30 15:32 Language: English (default) Access: Normal

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What is SendBig?

SendBig is a web-based file-transfer service built for sending very large files without installing desktop software. According to its own homepage, it lets you upload files, photos and videos up to 30GB for free, then deliver them by email or a shareable link that can also be posted to a blog or social media. The recipient does not need an account to download; you simply choose a file or folder, add the recipient's email and an optional message, and send.

What it does well

  • Large single transfers. A 30GB ceiling covers jobs that ordinary email attachments and many free tiers cannot handle, such as raw video footage, design archives or research datasets.
  • Resumable uploads. The site states that logged-in users can start an upload, switch off the computer and resume later from the point where it stopped. Incomplete uploads reappear in the upload card for you to continue. This matters on unstable connections or when a laptop battery runs out mid-transfer.
  • Security options. Files are described as encrypted in transit and at rest with AES-256, transfers use SSL/TLS, and servers are said to be ISO 27001 certified. You can add password protection, set an expiry date and cap the number of downloads. Files are automatically deleted once a transfer expires.
  • Multilingual interface. The upload page is available in English, French, Arabic, Spanish and Italian.

Trade-offs to weigh

Consideration What it means in practice
Free tier vs PRO Resumable uploads are described as a free PRO feature, so check the current plan conditions before relying on them for a critical transfer.
Expiry and download limits Security features double as constraints: a short expiry or low download cap can lock out a recipient who is slow to open the link.
Password sharing End-to-end protection only works if you send the password through a separate channel, such as a phone call or messaging app, never in the same email as the link.
No account for recipients Convenient, but it also means anyone holding the link and password can download, so treat the link itself as sensitive.

A practical example

A freelance video editor finishing a 12GB project for a client on hotel Wi-Fi can start the upload, lose the connection, and resume the next morning rather than restarting from zero. She sets a seven-day expiry, adds a password, and texts the password separately. The client downloads without signing up.

Next step

Before uploading anything confidential, open the site's FAQ and PRO pages to confirm the current limits, expiry options and whether resumable uploads require a paid plan. For everyday small documents, a simpler transfer tool is usually less effort; SendBig makes sense when size, resumability or access controls are the deciding factors.

How does SendBig's resumable upload feature work?

SendBig's resumable upload feature is designed to let you stop a large upload partway through and continue it later without starting over. According to the site's own FAQ, the process works like this: when you are logged in and begin an upload, any incomplete uploads are retrieved and shown first inside the upload card. For each incomplete upload, you select the corresponding file on your computer and click resume, and the upload continues from where it previously stopped.

The practical benefit is aimed at people on unstable connections or limited time. Instead of needing one uninterrupted session, you can start an upload today, shut down your PC, and finish tomorrow. This matters most for very large files such as videos, where a dropped connection or a laptop running out of battery would otherwise mean re-uploading everything.

A few things to keep in mind:

  • The site ties resumable uploads to being logged in and describes it as introduced for free PRO users, so the feature may not apply to anonymous uploads.
  • Resuming appears to require you to reselect the local file, so keep the original file in the same place and unmodified; changing or moving it could break the resume.
  • The feature addresses upload interruptions, not storage or expiry: files are still deleted from the servers once the transfer expires, per the FAQ.

As a next step, if you regularly send multi-gigabyte videos over a flaky connection, test the resume flow once with a smaller file before relying on it for something time-critical. If your main need is simply a one-off link for a modest file, a simpler transfer service may be less setup than logging in and managing incomplete uploads. Among alternatives, WeTransfer and Dropbox are well-known for file sharing, though their resumable behavior and limits differ from SendBig's described approach.

Is SendBig secure for transferring sensitive files?

Yes, with caveats. SendBig describes several security controls that matter for sensitive transfers, but "secure" depends on how you configure each transfer and what kind of data you're moving.

What the service says it does

  • Files are encrypted in transit and at rest using AES-256, with SSL/TLS protecting data transfer.
  • Servers are described as ISO 27001 certified, and a dedicated 24/7 security and support team is mentioned.
  • Files are automatically deleted from servers once a transfer expires.
  • You can add password protection (described as end-to-end encryption) so only the recipient knows the password.
  • You can set an expiry date and a maximum number of downloads per transfer.

Where the trade-offs sit

The default free transfer is convenient but relies on SendBig's own encryption and access controls. The stronger protections — password protection, expiry limits, download caps — are optional settings, so a "secure" transfer really means one where you turned those on. Password protection is the single most valuable step for sensitive files, because it means an intercepted link alone isn't enough to open the content.

Resumable uploads are a practical plus: if your connection drops mid-upload, you can log in later and continue where it stopped rather than starting over. That reduces the temptation to fall back on less careful methods when a large transfer fails.

Practical scenario

Suppose you're sending a signed contract or a folder of client videos to someone outside your organisation. Upload the files, set a short expiry (days, not weeks), cap the downloads at one or two, and enable password protection. Send the link by email but pass the password through a separate channel — a phone call or a different messaging app. That way, even if the email is forwarded or the link leaks, the files stay closed.

Decision criteria

  • For routine, non-confidential large files: the standard free transfer is fine.
  • For anything sensitive: always enable password protection plus a short expiry and a download limit.
  • For regulated data (health, financial, legal): check your organisation's policies first; a consumer file-transfer service may not be approved regardless of its encryption claims, and you may need a tool your IT team manages.

Useful next step

Before uploading, decide three things: who should be able to open the file, how long the link should live, and how the recipient will get the password. If you can't answer all three, the transfer isn't ready to send. For an alternative with a strong privacy reputation, you could compare Send Big files with WeTransfer or Proton's file-sharing tools.

What are the differences between SendBig's free and PRO plans?

SendBig's free plan already covers the core job: sending files up to 30GB, with resumable uploads and security features that apply to both tiers. PRO is less about lifting the size limit and more about convenience, branding and control.

Where the two plans differ

Aspect Free PRO
Max file size Up to 30GB Same headline limit of up to 30GB
Resumable uploads Described as available to free PRO users Included
Security AES-256 encryption at rest and in transit, SSL/TLS, ISO 27001-certified servers, optional password protection, expiry dates and download limits Same security stack
Practical extras Core sending by email, link, blog or social media Longer expiry dates and additional features aimed at heavier or more polished use

SendBig's own description of resumable uploads is the clearest practical difference: you can log in, start an upload, shut down your computer, and resume the same transfer later from where it stopped. Incomplete uploads appear at the top of your upload card when you return. That matters most for people on unstable connections or sending multi-gigabyte video files.

Who should pick which

  • Occasional senders — a contract, a batch of photos, a single video — can stay on the free tier. The size ceiling and encryption are the same, so there is no security penalty for not paying.
  • Frequent or professional senders who need transfers to stay live longer, or who want the extra control that comes with a paid tier, are the natural PRO audience.

Next step

If you regularly send files near the 30GB mark, test the free tier first with one real transfer and note how long the link stays valid and whether the recipient finds it easy to download. If those limits get in your way, that is your signal to look at PRO. For an alternative with a different free-size ceiling, see WeTransfer.

How do I send large files using SendBig?

You send a large file on SendBig by uploading it through the browser, entering the recipient's email address, and letting the service generate a download notification or shareable link. The site supports transfers up to 30GB, according to the page evidence, and it advertises resumable uploads for logged-in users, which is the feature worth understanding before you start.

The basic workflow

  1. Open the site and choose "Choose a file" or drag files and folders into the upload card. The page shows a running total, so you can confirm the size before continuing.
  2. Enter your email and the recipient's email, add an optional message, then proceed. You can also share via a link rather than email if that suits the recipient.
  3. If you are logged in and the upload is interrupted, the incomplete transfer appears in the upload card when you return. Reselect the same file on your computer and resume; the upload continues from where it stopped.

Why the resumable part matters

The page's own explanation is that logged-in users can start an upload, shut down the computer, and finish the next day. In practice this is the difference between a workable and an unworkable transfer for anyone on a slow or unstable connection. A 15GB video export over home broadband can take hours; without resumability, one dropped connection means starting over. With it, the cost of an interruption is a few minutes, not the whole upload.

The trade-off is that resuming depends on logging in and reselecting the identical file. If you rename or move it between sessions, expect to start again. For very large transfers, keep the file in one place until the upload completes.

Security and expiry choices

The page states files are encrypted in transit and at rest using AES-256, that transfers use SSL/TLS, and that servers are ISO 27001 certified. It also says files are deleted once a transfer expires. You can add password protection for an extra layer, and you can set an expiry date and a maximum number of downloads.

For sensitive material, set both a password and a short expiry, and send the password through a separate channel such as a phone call or messaging app rather than in the same email. Treat the expiry setting as your real cleanup mechanism, since deletion is tied to it.

A concrete scenario

Suppose you are a video editor delivering a 12GB project file to a client. Upload overnight with your account logged in, set a seven-day expiry and a download limit of three, and password-protect it. Email the link, then text the password. If your connection drops at 80%, log back in the next morning, reselect the file, and resume rather than re-uploading.

When to choose something else

SendBig fits one-off large transfers where you want email delivery or a link without installing anything. If you and your recipient need ongoing shared folders, version history and collaborative editing, a cloud storage service is a better fit; Dropbox and Google Drive are the common choices. If your priority is a polished, widely recognised transfer interface, WeTransfer is the best-known alternative. For very large or repeated sends, compare each service's size limit and expiry policy against your actual file sizes before committing.

Next step

Before uploading anything important, sign in first so resumable uploads are available, then set the expiry date and download limit while you are still on the upload screen. That single habit prevents most of the frustration people hit with large transfers.

How long do files remain available on SendBig before they are deleted?

SendBig does not state one fixed retention period for every transfer. According to its FAQ, files are automatically deleted from the servers once the transfer has expired, and you can choose the expiry date when you set up the transfer. So the practical answer is: availability is tied to the expiry you select, not a single universal countdown.

If you need a file to stay available for a specific window, set the expiry date deliberately before uploading rather than relying on a default. If you want tighter control, SendBig also says you can limit the maximum number of downloads per transfer, which can make a link stop being useful sooner than the expiry date.

A concrete scenario: a videographer sending a 20GB rough cut to a client who may not download it for several days should choose an expiry that covers the client's realistic review time. A recruiter sending a portfolio to one hiring manager, by contrast, can use a shorter expiry and a download limit because the file only needs to reach one person.

For comparison, other transfer services often publish their own retention rules, so if a fixed retention window matters more than a configurable one, check the official policy of alternatives such as WeTransfer or Dropbox. The key decision criterion is whether you need a guaranteed minimum availability period or flexible control over when the link dies.

Related questions

More questions →
How to Upload Videos to Netu.tv: Desktop, Remote URL, and FTP Methods

You can upload to Netu.tv three ways: directly from your desktop, by pasting remote URLs (up to 50 at a time), or over FTP. You don't need an account to start an upload, but you do need to register or log in to manage your videos afterward. Before you begin, check the limits: each video can be no more than 8096 MB and no longer than 500 minutes, and the service recommends mp4 with H.264 (720p, 1500 kb/s) and AAC audio (44100 Hz / 128 kbps).

Before you upload: limits and recommended format

Constraint Value
Max file size 8096 MB
Max duration 500 minutes
Recommended video codec H.264, 720p, 1500 kb/s
Recommended container mp4
Recommended audio AAC, 44100 Hz, 128 kbps
Formats "a variety of formats" (mp4/H.264 recommended)

If your file is larger or longer than these limits, re-encode or split it before uploading — the upload will not accept it as-is. Matching the recommended encoding also reduces the chance of playback problems later.

Method 1: Desktop upload

  1. Open the upload page. You can do this while logged out — the page shows "Select videos (you are not logged in)."
  2. Select your video file(s). The page supports uploading multiple files at once.
  3. Click Start upload. You can cancel with Cancel upload or clear the queue with Delete.
  4. To manage the videos afterward (rename, organize, track status), register or log in.

Expected result: the file enters the upload queue and, once finished, becomes available to share. If you stay logged out, you can still upload and share, but you lose the management tools.

Method 2: Remote URL upload (beta)

This method pulls a video from a link you already host elsewhere, instead of pushing it from your machine.

  1. Paste your URLs into the URL field. You can add up to 50 URLs.
  2. To set a title, append ###title to the end of the link — for example, https://example.com/video.mp4###My Title.
  3. Click Add to upload queue.
  4. Watch the queue table, which tracks File name, URL, Created, Status, File-Code, and Adult?. Use Update list to refresh and Delete Selected From Queue to remove entries.

Expected result: each URL appears as a row with a status you can monitor. This is labeled beta, so expect occasional hiccups on large batches.

Method 3: FTP upload

FTP upload is listed alongside the other two methods on the upload page. It's the practical choice when you're moving many or very large files and don't want to keep a browser tab open. The page confirms FTP is supported but doesn't publish the server credentials here — get those from your account area after logging in.

Common failures and how to fix them

Old videos stop loading after you switch your site to HTTPS. Some older videos may still be requested over HTTP. The page's fix is to add the appropriate reference so those HTTP links resolve — if you don't have HTTP links, you can close that notice.

Videos deleted by robots. If automated crawlers are removing your videos, load the iframe src only after a captcha challenge. You can also put a captcha in front of videos or enable Cloudflare's "I'm under attack!" option to block bot access.

Domain or subdomain blocked on some ISPs. Rotate your domain/subdomain over time, using 301 redirects, so a blocked domain doesn't take your whole library down.

Popunder firing on blank areas. If you use popunder ads, they should fire only when a user clicks an element, not on the blank body — the page links a script for this.

After upload: sharing and webmaster tips

Once a video is processed, share it with friends using its link, or embed the player on your site. If you're monetizing, the page's webmaster tips are worth applying:

  • Place the Netu.tv player above other players to get more money.
  • Write unique descriptions for each video — the page notes this drives search-engine traffic.
  • Use PageSpeed Insights to check load speed, since faster sites get more traffic from Google.

Quick method comparison

Method Best for Key limit / note
Desktop One or a few files, quick share Multiple files supported; no login required to upload
Remote URL Videos already hosted elsewhere Up to 50 URLs; ###title for titles; beta
FTP Bulk or very large transfers Credentials from your account; keeps browser free

If you just want a shareable link fast, use desktop upload. If your files already live on a server, remote URL saves re-uploading. If you're moving a library, FTP is the least babysitting.

How Does Horizon Handle Video Hosting and Sharing?

Horizon is a file hosting and sharing service that treats video as a first-class format: it accepts video uploads alongside photos, documents, links, and clipboard content, plays them back through a streaming-optimized pipeline, and lets you embed or link them anywhere. It fits the case where you want to upload a video once and share it via a link or embed rather than managing your own storage and delivery — for example, sending a director's reel to a client, posting a clip in Discord, or embedding a demo on a website. Horizon's own materials describe it as "fast, private and reliable" and note that you can "sign up and start uploading for free," so the entry point is a free account rather than a paid plan.

What Horizon does with a video file

The service positions itself as "your place to share photos, videos, documents, links, clipboards, and more," with "dependable media storage and seamless sharing for professionals and casual users alike." For video specifically, three capabilities matter:

  • Streaming-ready playback. Horizon states it is "optimized for seamless video playback, ensuring your videos load quickly and play smoothly," and that this holds "whether you're sharing with a small audience or streaming to a large group." The claimed result is "high-quality, buffer-free streaming."
  • At-rest encryption. Uploaded files, including videos, can be encrypted at rest. Horizon describes activating AES encryption as "as simple as flipping a switch," which adds a layer of protection to stored files.
  • Embeds and link sharing. You can customize how uploaded files appear and share them across Discord, X, Telegram, and other platforms, or embed images, videos, and audio on a website "with just a few clicks and a line of code."

How the video workflow actually runs

  1. Create an account and upload. Horizon's call to action is "Sign up and start uploading for free," followed by "Get Started." Uploaded examples shown on the site include dolly-shot-6161.mov and rens-japan-2024-directors-cut.mp4, so common video containers are part of the intended use.
  2. Decide on privacy. If the video should be protected at rest, enable AES encryption for the file. Horizon frames this as a toggle rather than a configuration project.
  3. Choose how to share. Either generate a link (Horizon also mentions creating "shortened links to your site") or produce an embed. The site's example share text — "rens check out my director's reel! https://i.horizon.pics/ZYSFoFwA8H" — shows the link-based path, with the upload attributed to the uploader.
  4. Embed where needed. For websites, Horizon's CDN handles delivery so you can "optimize site performance by offloading delivery to Horizon's infrastructure." For chat platforms, the customized embed appearance is what makes the preview stand out in Discord, X, or Telegram.

Upload paths by platform

Horizon lists several ways to get video files in, depending on your operating system:

Platform Method described by Horizon
Mac and Linux Custom desktop app that "simplifies screen capture and clipboard sharing"
macOS and iOS Partnership with Dropshare for compatibility
Windows ShareX, configurable "with a single click"
Any browser Direct upload through the web service

The desktop and ShareX routes are most useful when the video originates as a screen capture or clipboard item; the web upload covers everything else.

Where Horizon fits and where it doesn't

Horizon is a reasonable choice when you want quick, link-based or embed-based video sharing with an encryption option and no infrastructure to run yourself. It is less suited if you need granular per-viewer access control, detailed analytics, or a full video platform with playlists and channels — Horizon's described feature set centers on storage, streaming playback, privacy toggles, and embeds rather than on audience management.

One practical caution: the site's pricing page is referenced in its navigation, but no specific plan limits, storage caps, or paid tiers are stated in the available material. If your videos are large or you expect heavy traffic, check the current plan details before committing, since "free" here refers to getting started, not to an unlimited guarantee.

What Does Naval Service Mean at the USNA and What Commitment Does It Require?

Naval service at the United States Naval Academy (USNA) means preparing to become a commissioned officer in the U.S. Navy or Marine Corps—and it starts before graduation. Midshipmen are on active duty while they attend the academy, and graduates earn a bachelor of science degree, a commission as an ensign in the Navy or second lieutenant in the Marine Corps, and a service obligation of at least five years. This applies to students admitted to USNA; it is not a description of every path into naval service.

The mission behind "naval service"

USNA describes itself as the undergraduate college of the country's naval service. Its stated mission is to develop midshipmen "morally, mentally, and physically" and to instill "the highest ideals of duty, honor, and loyalty" so that graduates are dedicated to a career of naval service and prepared to take on the highest responsibilities of command, citizenship, and government.

That mission shapes what daily life looks like. Students are not civilians who happen to take military classes—they are midshipmen in the Brigade, living under a structured schedule that includes military training, academics, athletics, and leadership responsibility.

Midshipmen are on active duty

A key point that distinguishes USNA from a typical four-year college: Naval Academy students are midshipmen on active duty in the U.S. Navy. That status is part of what makes the commitment real from day one, not something that begins at graduation.

The academy's own description of student life covers general information, life in the Brigade, leadership responsibility, extracurricular activities, athletics, Plebe Summer, the daily schedule, spiritual opportunities, and special events—reflecting that the experience is designed as preparation for service, not just a degree program.

The four-year path

The structure of the commitment is straightforward:

Stage What happens
Attendance Four years at USNA as a midshipman on active duty
Graduation Bachelor of science degree
Commission Ensign in the Navy or second lieutenant in the Marine Corps
Service At least five years in the Navy or Marine Corps

Each step depends on completing the prior one. The degree and the commission come together at graduation, and the service obligation follows from accepting the commission.

What "at least five years" means

USNA states that Naval Academy graduates serve at least five years in the Navy or Marine Corps. The phrase "at least" matters: five years is the floor described by the academy, not a guaranteed fixed term. Anyone weighing this commitment should treat the obligation as a minimum and confirm current terms directly with USNA or a recruiting officer, since details can change and may vary by career path.

USNA versus other ways to serve

Attending USNA is one route to becoming a naval officer, and it carries a specific combination: a four-year residential program, active-duty status while studying, a bachelor of science degree, a commission, and a minimum five-year service commitment. Other paths into naval service exist, but they are not described in the USNA materials here, so they should be researched separately rather than assumed to match these terms.

If your goal is a traditional college experience with no military obligation, USNA is not that. If your goal is to serve as an officer and you want the structure, training, and academy environment described above, USNA is designed for exactly that.

Where to go next

USNA's site lists applications for the Class of 2031 as open, with an "Apply to USNA" entry point and an "Applications Open" event. Prospective applicants can also review the academy's history, leadership, notable graduates, and Strategic Plan 2030 to understand the institution's direction. The Honor Concept and Midshipman Ethos pages describe the standards midshipmen are expected to meet.

Before applying, confirm the current service obligation terms, application deadlines, and nomination requirements directly through USNA, since those are the details that determine whether the commitment fits your plans.

What Is File Transfer and How Do You Send Large Files Online?

File transfer online means moving a file from your device to a service that stores it and then hands it to a recipient — usually by email link or a shareable URL. You need a dedicated transfer service rather than a plain email attachment once files get into the multi-gigabyte range, because most email providers cap attachments far below that. On SendBig, for example, the stated free limit is up to 30GB per transfer, and the site describes resumable uploads for logged-in users, so a dropped connection doesn't force you to start over.

The basic send flow

The steps below follow the upload card described on SendBig. Other services use similar wording, so the sequence transfers.

  1. Choose or drop your files. Select a file, or drag files and folders onto the drop area. The page shows a running total (the example on the site reads "5.00GB Total"), so you can see when you're approaching the limit.
  2. Add the recipient. Enter your own email in the "Your email" field and the recipient's address in the "Email to" field. You can add more than one address.
  3. Add a message (optional). The "Email message" field carries a note alongside the download link.
  4. Set protection and expiry (optional). You can password-protect the transfer, choose an expiry date, and cap the number of downloads.
  5. Upload. Start the transfer and wait for it to finish. The recipient gets a link; you can also copy a shareable link and post it yourself.
  6. Confirm delivery. Ask the recipient to open the link before the expiry date. Files are automatically deleted from the servers once the transfer expires.

Expected result: the recipient opens a link, optionally enters the password you gave them separately, and downloads the file.

Why large files need a transfer service

Email attachments are the wrong tool past a certain size — the message bounces or the provider silently strips the attachment. A transfer service solves this by uploading the file once to a server and sending a link instead of the file itself. That also means:

  • The recipient doesn't need an account to download, in most setups.
  • You can send to many people with one upload.
  • You control how long the link lives and who can open it.

Resumable uploads: what to do when your connection drops

This is the single most useful feature for multi-GB files. SendBig describes resumable uploads for logged-in users: you can start an upload today, shut down your computer, and resume it tomorrow from where it stopped.

How it works in practice, per the site's description:

  • Log in before uploading. Incomplete uploads are retrieved and shown first inside the upload card the next time you visit while logged in.
  • For each incomplete upload, select the same file on your computer and click resume. The upload continues from the last completed point rather than from zero.

Common trap: if you rename, move, or re-export the file between sessions, the service may not match it to the incomplete upload. Keep the file where it was.

Security choices worth making

SendBig states that files are encrypted in transit and at rest using AES-256, that SSL/TLS protects data transfer, and that its servers are ISO 27001 certified. It also states that files are automatically deleted once the transfer expires. On top of those defaults, you can add:

Control What it does When to use it
Password protection Adds end-to-end encryption; only you know the password Anything sensitive — send the password through a separate channel
Expiry date Deletes files from the server after a set time Anything you don't want lingering
Download limit Caps how many times the transfer can be downloaded Confidential documents, one-recipient sends

Common failure points and fixes

  • File too large. Check the total against the service's limit before uploading. Split large video exports or use a higher tier if you need more.
  • Expired link. The recipient waited too long. Re-upload and send a fresh link, or set a longer expiry next time.
  • Wrong recipient address. A typo sends the link to a stranger. Double-check the "Email to" field before uploading, and use a download limit as a backstop.
  • Upload interrupted mid-transfer. Log in and resume rather than restarting. If you weren't logged in, you may have to begin again.
  • Recipient can't open the file. Usually a password mismatch or an expired link — confirm both before troubleshooting anything else.

Picking between services

Compare on the dimensions that actually affect your send: maximum free file size, whether resumable upload is available on the free tier, encryption defaults, expiry and download-limit controls, and whether the recipient needs an account. SendBig's stated position is a 30GB free limit with resumable uploads for logged-in users and AES-256 encryption; check the current terms on any service before relying on a specific number, since limits and plan details change.

What Is WeTransfer and How Do You Send Large Files Online?

WeTransfer is a file-transfer service built for one job: getting a file too large for email attachments from your computer to someone else's, without asking either side to set up shared cloud storage. You upload a file, enter the recipient's email address, and WeTransfer sends them a download link. The recipient clicks the link, downloads the file, and the transfer expires after a set period. That is the whole model — no folder syncing, no account required for a basic send.

This article covers how that flow works, what the free tier actually allows, how WeTransfer compares to alternatives like SendBig, Dropbox, and Google Drive, and what to do when a transfer fails or expires.

How the WeTransfer send flow works

The core interaction is deliberately short:

  1. Add files. Open the WeTransfer site and add your files through the upload area (drag-and-drop or a file picker).
  2. Enter the recipient's email and your own. WeTransfer uses your email to confirm the transfer was sent and to notify you when the recipient downloads it.
  3. Optionally add a message. A short note travels with the transfer email.
  4. Send. WeTransfer uploads the files to its servers and emails the recipient a download link.
  5. Recipient downloads. The link stays live until the expiry window closes, after which the files are removed.

The key point is that the file does not travel as an email attachment. The email only carries a link; the bytes sit on WeTransfer's servers until the recipient pulls them down or the transfer expires.

Free plan limits and what they mean in practice

WeTransfer's free tier is designed for occasional, one-off sends rather than ongoing file exchange. The limits that matter most:

Limit What it means for you
File size cap Free transfers have a maximum total size per send. If your files exceed it, you must split the send or move to a paid plan.
Link expiry Free transfer links expire after a fixed period. If the recipient is slow to download, the link dies and you have to resend.
No resumable upload If your connection drops mid-upload on the free tier, you generally start over rather than continuing where you stopped.
No password protection on free sends Anyone with the link can download. Password-protected transfers are a paid feature.

The expiry limit is the one that catches people most often. A transfer sent on a Friday to someone who checks email on Monday may already be gone. If timing is uncertain, tell the recipient to expect the link and download it promptly, or use a service with a longer or configurable expiry window.

How WeTransfer compares to SendBig, Dropbox, and Google Drive

These tools solve overlapping but different problems. The right choice depends on whether you want a one-off link, a persistent shared folder, or a resumable large upload.

Service Model Best for Trade-off
WeTransfer One-off transfer link Quick sends to someone who just needs the file Free links expire; no persistent storage
SendBig One-off transfer link, up to 30GB free per its site Very large single sends, including video Free-tier features and expiry terms should be checked on the site before relying on them
Dropbox Cloud storage with share links Files you'll reuse, edit, or share repeatedly Requires an account; free storage is limited
Google Drive Cloud storage with share links Files tied to a Google account, collaborative docs Requires a Google account; sharing permissions add a step

A practical rule: if the file is a one-time delivery and the recipient has no reason to keep it, a transfer service like WeTransfer or SendBig is the lighter option. If the file is something you'll send again, update, or want the recipient to browse, cloud storage with a share link is the better fit.

SendBig's own site positions resumable uploads as its differentiator: per its FAQ, logged-in users can start an upload, shut down their computer, and resume the same upload the next day, with incomplete uploads retrieved and displayed when they log back in. That matters if you're pushing a multi-gigabyte video over an unreliable connection — a scenario where a non-resumable free upload can fail repeatedly.

Security and privacy basics

For any transfer service, the questions worth asking are: is the file encrypted in transit and at rest, who can access it, and when is it deleted?

SendBig's site states that files are encrypted in transit and at rest using AES-256, that SSL/TLS protects data transfer, that its servers are ISO 27001 certified, and that files are automatically deleted once a transfer expires. It also notes that password protection and expiry/download-count limits can add further control. These are the claims of the service itself; treat them as the vendor's stated practices rather than independently verified facts.

For WeTransfer, check the current security and retention terms on its own site before sending anything sensitive, since free-tier behavior can change. Regardless of service, the general precautions hold:

  • Don't send credentials, financial documents, or personal data through a link that anyone who intercepts it can open.
  • Use password protection when the service offers it and the content warrants it.
  • Set the shortest expiry that still gives the recipient time to download.
  • Confirm the recipient's email address before sending — a mistyped address sends your file to a stranger.

Troubleshooting failed or expired transfers

Most transfer problems fall into a few recognizable categories:

The upload stalls or fails partway. On a non-resumable free tier, a dropped connection usually means restarting. If this happens repeatedly with large files, switch to a service with resumable uploads (SendBig advertises this for logged-in users) or upload from a more stable connection.

The recipient says the link is dead. The transfer expired. Resend it, and this time tell the recipient when to expect it. If the recipient is in a different time zone, account for that in your timing.

The recipient can't download. Check that the link wasn't truncated when copied, that the recipient isn't behind a network that blocks the service, and that the transfer hasn't hit a download-count limit.

The file is too big for the free tier. Either split the send into multiple transfers, compress the files, or use a service with a higher free cap — SendBig's site advertises up to 30GB free, which is worth comparing against your actual file size.

You need the file to stay available longer. Free transfer links are temporary by design. If the recipient needs ongoing access, move the file to cloud storage and share a folder link instead.

Choosing between a transfer service and cloud storage

The decision comes down to one question: is this a delivery or a workspace?

  • Delivery — a one-time handoff of a file the recipient will download and keep. Use WeTransfer, SendBig, or a similar transfer service. You avoid accounts on both sides and the link cleans itself up.
  • Workspace — a file or folder that will be revisited, edited, or shared with multiple people over time. Use Dropbox, Google Drive, or another cloud storage service with persistent share links and permission controls.

If you regularly send large files and keep hitting expiry or size limits, that's the signal to either move to a paid transfer plan or shift the workflow to cloud storage. If you send large files only occasionally, the free transfer model is usually enough — just warn the recipient that the link is time-limited.

Website Overview

An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. An active inbound-mail setup with incomplete authentication may leave the domain more open to impersonation. Provider hosting alone does not close that gap.

Domain and Registration

Registered in 2003, this domain has about 22 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is NameCheap, Inc., a widely used domain service provider. The domain uses the common .com extension, which is not an independent safety signal.

DNS and Email

The observed email authentication setup is incomplete: DMARC is missing. Nameservers are provided by Cloudflare, indicating managed DNS hosting. MX records point to the Google Workspace email service. No CNAME was found; the observed records resolve directly to addresses. TXT records include verification markers for Google. Such markers may also remain after a service stops being used.

TLS and Certificates

The public key uses EC with 256 bits. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued within the Google Trust Services cloud or CDN ecosystem. The certificate's total validity is about 90 days, consistent with a short renewal cycle.

HTTP and Browser Security

The checked browser-security headers were not detected, leaving fewer explicit browser-side safeguards. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers. The Server header identifies cloudflare without an exact version.

Technology Stack Analysis

The public page identifies Google Analytics, Cloudflare without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

Open Graph is partially configured; og:image is missing. The page declares 11 language or regional alternatives using hreflang. The title has 54 characters, within a common display range. A meta description is present, with 155 characters. The observed directives allow indexing and link following.

Hosting and Email

DNSCloudflare
HostingCloudflare
EmailGoogle Workspace
Location Location unknown 104.21.94.183

User reviews (0)

  • No reviews yet.

Pages, Search and Sharing

Meta descriptionSendBig the easiest way to Send files online. Transfer large files up to 30GB Free via email, shareable link, blog or social media. Upload and share videos
Canonical URLhttps://www.sendbig.com/
LanguageEnglish (default) · Multilingual
Twitter CardNot detected
All bots 1 allowed · 0 disallowed
  • Allow/

Registration details RDAP / WHOIS

RegistrarNameCheap, Inc.
Registered2003-10-24
Expires2027-10-24
Domain statusclient transfer prohibited
Nameserversgannon.ns.cloudflare.com、melina.ns.cloudflare.com
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Awww.sendbig.com104.21.94.183300—
Awww.sendbig.com172.67.139.122300—
AAAAwww.sendbig.com2606:4700:3032::6815:5eb7300—
AAAAwww.sendbig.com2606:4700:3032::ac43:8b7a300—
MXsendbig.comsmtp.google.com3001
NSsendbig.comgannon.ns.cloudflare.com86400—
NSsendbig.commelina.ns.cloudflare.com86400—
TXTsendbig.comadmitad-verification: 36a702d074300—
TXTsendbig.comgoogle-site-verification=j_2ywsT-jlREvC2y8kpT_jtj8wKMQGJkTidX2eEa-HA300—
TXTsendbig.comv=spf1 include:spf.mailjet.com ?all300—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectsendbig.com
IssuerGoogle Trust Services
Valid until2026-12-27T12:58 · Remaining when checked: 87 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html
servercloudflare

Identified technologies

Google AnalyticsCloudflare