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Categories: Image Tools Design & Creativity

Compress JPEG, PNG, GIF, WebP images in seconds. 100% offline - your images never leave your browser. Free, fast, and no file size limits.

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Updated: 2026-10-01 22:10 Language: English (default) Access: Normal

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What is Compress Images Online (No Upload)?

Compress Images Online (No Upload) is a browser-based image compressor hosted at compressimage.io. Its defining feature is that compression runs entirely inside your browser: your files are not sent to a server, so the site can process unlimited images and file sizes without uploading anything. It handles JPEG, PNG, GIF, WebP and SVG, and lets you adjust quality, resize, convert to WebP and strip metadata before downloading individual files or a ZIP.

Who it suits

  • Privacy-sensitive users — people compressing ID scans, medical images, client photos or internal documents who would rather not hand files to a third-party server.
  • Bulk and large-file work — since processing is local, there is no upload queue or per-file cap, which helps when you have hundreds of images or a few very large ones.
  • Occasional users — no account or install is described, so it works as a quick one-off tool.

Trade-offs to weigh

  • Your device does the work. Compression speed and stability depend on your browser and hardware, so a phone or older laptop may slow down on large batches, whereas server-based tools offload that effort.
  • Lossy quality is irreversible. The page notes that lossy compression differences are usually hard to see, but once saved, the discarded detail is gone — keep originals for anything you may need to re-edit or print.
  • A local tool is not a long-term archive. Browser-based processing is convenient, but for repeatable, scripted pipelines a desktop utility or command-line tool may fit better.

A practical next step

If you are preparing images for a website or email, start with a moderate quality setting and convert photos to WebP, then compare the result at 100% zoom against the original. If the difference is invisible at the size your audience will view it, keep the smaller file; if it looks soft, raise quality or leave that image as lossless.

For related options, you can also look at Squoosh or TinyPNG, though note that those typically upload files to their servers, which is the opposite of this tool's approach.

How does the browser-based compression keep my images private?

Your images stay private because the compression runs inside your browser: the page states that files are never uploaded to a server, so no copy is transmitted to CompressImage.io or a third party. The tool reads each file locally, applies the compression settings you choose, and hands back a new file for download.

What that means in practice

  • Nothing is queued on a remote machine, so there is no server-side copy to delete, leak or retain.
  • Because the work happens on your device, the page says there are no limits on how many images or how large they can be.
  • You still control the output: quality, maximum width/height, file suffix, WebP conversion, metadata stripping and ID removal are all settings in the interface.

Where the privacy boundary actually sits

Browser-based does not mean risk-free. The files stay on your machine, but the page itself is still delivered over the web, and anything you later upload elsewhere is a separate decision. If you are handling client material, medical images or unpublished design work, the local processing removes the main worry — an intermediary holding your files — but your own device, browser extensions and download folder remain part of the chain.

A concrete scenario

A photographer sorting a wedding shoot can drop several hundred JPEGs into the tool, compress them at a chosen quality, and download a ZIP without sending a single frame to a stranger's server. Compare that with a cloud compressor, where the trade-off is usually convenience and batch features in exchange for uploading originals.

Next step

If your priority is confidentiality, use this kind of local tool for the first pass, then verify one output at 100% zoom before sending it on. If you need collaboration, version history or automatic syncing, a cloud service may fit better — just check its retention policy first. For related local-first utilities, see Squoosh and ImageOptim.

What image formats can I compress, and can I convert them to WebP?

CompressImage.io handles the common web formats: JPEG (JPG), PNG, GIF, SVG, and WebP. You can also convert to WebP as part of the same pass, using the "Convert to WebP" option in the settings panel.

What each format is good for

Format Typical use Trade-off to know
JPEG Photos, blog headers, email attachments Small files, but no transparency; repeated re-saving degrades quality
PNG Screenshots, logos, images needing transparency Sharper edges, but much larger than JPEG for photos
GIF Simple animations, legacy graphics Limited colors; often bulky compared to modern alternatives
SVG Icons, logos, vector illustrations Scales cleanly, but only works for vector artwork, not photos
WebP Modern web images, both photos and graphics Good size savings and supports transparency, but very old browsers or some desktop apps may not open it

Converting to WebP

WebP is usually the best target if your images are going on a website. It tends to produce smaller files than JPEG or PNG at similar visual quality and supports transparency. The catch is compatibility: if you need to send images to someone using older software, or upload them to a platform that only accepts JPG or PNG, keep the original format instead.

A practical next step

Start with one representative image rather than your whole library. Set quality around 70%, leave the max width or height blank unless you specifically want to downscale, and enable "Convert to WebP." Compare the before-and-after size and zoom in on detailed areas like text or faces. If it looks fine, apply the same settings to the rest and download everything as a single ZIP.

Because the compression runs in your browser, your files are not uploaded anywhere. That matters if you are working with client material, personal photos, or anything under a confidentiality agreement. The trade-off is that very large batches depend on your own device's memory and speed rather than a server farm. For a quick second opinion on format choices, MDN Web Docs covers image format trade-offs in plain language.

How do I adjust quality, resize, or strip metadata before downloading?

On CompressImage.io, quality, resizing and metadata removal are all handled in the Settings panel before you download. The page's own workflow describes adding images first, then adjusting "quality, resize, or convert to WebP in Settings if you need to." Compression starts as soon as files are added, so treat the settings as a refinement step and re-check the preview or file size before saving.

The controls you'll find

  • Image Quality — the page shows a quality slider with a default of 70%. Lower values shrink files more aggressively; higher values preserve more detail.
  • Max Width or Height (px) — caps the longest dimension, which is the usual way to resize for web or email. Leaving it empty keeps the original dimensions.
  • File Suffix — appends a label to output filenames so compressed versions don't overwrite your originals.
  • Convert to WebP — switches the output format, typically giving smaller files than JPEG or PNG at similar visual quality.
  • Remove IDs / Strip Metadata — removes embedded information such as camera and location data along with other metadata.
  • Multipass Precision — a fine-tuning option for the compression pass; leave it at its default unless you're chasing a specific size target.
  • Recompress — applies your settings again to already-compressed files.

A practical sequence

  1. Drop in your images and let the first pass finish.
  2. Set Image Quality to roughly 70–80% for photos, or higher if the image contains text, fine lines or flat colour.
  3. Set Max Width or Height only if you know the target display size — for example, 1600 px for a blog header, 800 px for an email attachment.
  4. Tick Strip Metadata when the photo will be published publicly and you don't want location or device details carried along.
  5. Add a File Suffix so the compressed copies sit alongside the originals.
  6. Download individually, or use the ZIP download for a batch.

Choosing your trade-off

Goal Setting direction Watch for
Smallest file for web Lower quality, convert to WebP, cap dimensions Soft edges, banding in gradients
Print or archive High quality, no resizing Little size reduction
Privacy-conscious sharing Strip metadata Losing useful copyright or caption data
Batch of mixed images Moderate quality, no resize Some files may need individual attention

Because the compression runs in the browser with no upload and no stated file-size limits, you can test settings freely on a single image before committing to a whole folder. If you want a second opinion on output quality, compare against a dedicated desktop tool such as ImageMagick or a browser-based alternative like Squoosh — both let you inspect the compressed result side by side with the original.

Is there a limit on file size or number of images I can compress?

No. According to the site, CompressImage.io imposes no file size limits and no cap on how many images you can process. The tool's own explanation is that compression runs entirely in your browser, so there is no server-side upload quota to hit.

What that means in practice

  • You can drag in a single large photo or a whole folder of images without being stopped by a size ceiling.
  • You can download each compressed file individually, or grab everything at once as a single ZIP.
  • Settings let you adjust quality, set a maximum width or height, and convert to WebP if you want smaller output.

The practical trade-off

"Unlimited" here is a browser-side claim, not a promise about your device. Because the work happens on your machine, very large batches or very high-resolution files are limited by your available memory and CPU, not by the website. If you throw hundreds of large images at once into an older phone or a low-RAM laptop, expect slowdowns or a stalled tab rather than a rejection message. Splitting a huge batch into groups of a few dozen is a sensible habit.

A quick decision guide

Situation Sensible approach
A handful of photos for email or a form Compress all at once, download as ZIP
Hundreds of high-res images Process in smaller batches to avoid browser strain
Privacy-sensitive documents or client photos Browser-only processing is the main advantage here
Need a guaranteed target size Adjust quality and max dimensions, then check the preview

Next step

If you are preparing images for a specific destination, check that destination's size rules first, then set quality and maximum dimensions accordingly rather than guessing. For a second opinion on how much compression is safe before quality visibly drops, you can compare tools such as Squoosh or TinyPNG, both of which also run compression in or near the browser and let you inspect the result before committing.

How does client-side compression reduce my carbon footprint compared to server-based tools?

Client-side compression cuts the energy spent on your image by removing the data center from the loop. When a tool compresses in your browser, the file stays on your device; there is no upload, no server CPU/GPU work, no storage write, and no download back. Server-based tools add all of those steps, plus the networking equipment and cooling that keep them running.

Compress Images Online (No Upload) states this as a core claim on its page: compression happens in the browser, images are never sent to a server, and the site frames the result as a “low carbon footprint” because no extra server electricity is used. Treat that as the product’s stated design rationale rather than an audited measurement.

Where the energy actually goes

Stage Client-side (browser) Server-based
Upload None File travels over network to a data center
Processing Your device’s CPU does the work Server CPU/GPU does the work
Storage File stays in memory/local disk Temporary or persistent server storage
Download None Compressed file travels back to you
Overhead Browser tab already open Networking gear, cooling, redundancy, idle capacity

The biggest practical difference is usually the network round trip, not the compression math itself. A 4 MB photo uploaded and downloaded again may move 8 MB across the internet; keeping it local moves zero. For a single image that is trivial, but for a batch of hundreds it adds up, especially on mobile networks or metered connections.

What this means for a real workflow

If you are a photographer culling a shoot, a marketer resizing a batch of product shots, or someone on a slow connection, client-side tools avoid the wait and the transfer entirely. The trade-off: your device does the work, so a very large batch on an older phone or laptop will be slower and will use your battery. Server-based tools can be faster on weak hardware because someone else’s machine does the heavy lifting.

A useful decision rule: if the files are private, large, or numerous, prefer client-side. If your device is underpowered and the files are small and non-sensitive, a server tool may be more convenient.

A concrete next step

Open the tool in your browser, drop in a few images, and compare the output size before and after. The page shows a settings panel with quality, max width/height, WebP conversion, and metadata stripping, so you can tune the trade-off between file size and visible quality. For a quick test, compress one image at 70% quality and check whether you can see a difference on your screen.

Related questions

More questions →
How to Use Ahrefs for Your First SEO Audit: A Step-by-Step Tutorial

If you're new to Ahrefs and want to run your first SEO audit, the fastest path is: open Site Explorer, enter your target URL, review the Overview for a health snapshot, then dig into Organic Keywords, Top Pages, and Site Audit to find specific problems. From there, build a short prioritized to-do list instead of trying to fix everything at once.

This tutorial walks through that workflow using a realistic starting scenario, explains what the numbers mean, and shows how to turn findings into actions.

Before You Start: Pick a Narrow Scope

A common beginner mistake is auditing an entire large website on day one. The reports become overwhelming, and you can't tell which issues matter.

Instead, choose one of these starting points:

  • A single important page (your homepage or a key product/service page)
  • A small site (under ~50 pages, e.g., a personal blog or small business site)
  • One section of a bigger site (e.g., /blog/)

For this tutorial, assume you're auditing a small business site with about 30 pages. The same steps scale up later.

You'll need an Ahrefs account to follow along. Ahrefs offers paid plans, and pricing and feature limits change over time, so check the current Pricing page for what's included in each tier before committing.

Step 1: Enter Your Target in Site Explorer

Site Explorer is Ahrefs' core tool for analyzing any website or URL.

  1. Open Site Explorer from the top navigation.
  2. In the search box, paste your domain (e.g., example.com).
  3. Choose the Exact URL or Domain mode depending on scope. For a full-site view, use Domain or Prefix; for a single page, use Exact URL.
  4. Press Enter.

You'll land on the Overview report. Don't try to absorb everything — focus on four numbers first.

Reading the Overview Snapshot

Metric What it tells you How to use it
Ahrefs Rank (AR) Relative strength of the site's backlink profile vs. others in the database Useful for comparing against competitors, not as a standalone goal
Organic traffic Estimated monthly visits from search A rough trend indicator, not exact analytics
Organic keywords Estimated number of keywords the site ranks for Shows breadth of visibility
Backlinks / Referring domains Total links and unique sites linking to you Referring domains matter more than raw backlink count

Important caveat: Ahrefs' traffic and keyword numbers are estimates based on its own data. They won't match Google Search Console or your analytics exactly. Treat them as directional, not absolute.

Step 2: See What You Already Rank For

Go to Organic Keywords in the left sidebar. This shows queries where your site appears in search results.

Sort by Traffic (descending) to see which pages bring the most estimated visitors. Then look for:

  • Keywords ranking in positions 4–15 — these are often the easiest wins. A small content or on-page improvement can push them onto page one.
  • Keywords with high volume but low position — potential opportunities if the topic is relevant.
  • Irrelevant keywords — if you rank for something off-topic, it may signal thin or mismatched content.

Write down 5–10 of the position 4–15 keywords. These become your first optimization targets.

Step 3: Find Your Best and Weakest Pages

Open Top Pages. This ranks your URLs by estimated organic traffic.

Look for two things:

  1. Your top performers — understand what topics and formats work. Can you create more content like this?
  2. Pages with traffic but poor rankings — these may need on-page fixes (title, headings, internal links).

If a page gets zero traffic and targets a topic you care about, it's a candidate for a rewrite or consolidation.

Step 4: Run a Technical Site Audit

Now move to Site Audit. This crawls your site and flags technical and on-page issues.

  1. Click Site Audit → New project.
  2. Enter your domain and set crawl settings (default is usually fine for a small site).
  3. Start the crawl and wait for it to finish.

Once complete, you'll see a Health Score and a list of issues grouped by category.

Which Issues to Fix First

Not all issues are equal. Prioritize in this order:

Priority Issue type Why it matters
1 Broken links (404s) Bad for users and crawl efficiency
2 Pages blocked from indexing They can't rank at all
3 Missing or duplicate title tags Directly affects click-through and relevance
4 Slow-loading pages Affects experience and rankings
5 Thin content Low value to users and search engines

Ignore low-impact warnings (like minor meta description length) until the big items are handled.

Step 5: Turn Findings Into a To-Do List

You now have raw data. Convert it into a short, actionable list. Example:

  1. Fix 3 broken links found in Site Audit.
  2. Rewrite title tags on 5 pages with duplicate titles.
  3. Improve 4 pages ranking in positions 6–12 by adding missing subtopics and internal links.
  4. Remove or update 2 thin pages with no traffic.

Keep the list to 5–10 items max for your first audit. Finishing a short list beats starting a long one.

Common Beginner Mistakes

  • Chasing every red flag. Site Audit flags many minor issues. Fix what affects rankings and users first.
  • Trusting estimates as exact numbers. Ahrefs data is modeled, not measured from your analytics.
  • Auditing a huge site too early. Start small to learn the interface.
  • Ignoring search intent. A page can be technically perfect but still fail if it doesn't match what searchers want.
  • Forgetting to re-crawl. After fixes, run Site Audit again to confirm improvements.

Where to Go Next

Once your first audit is done:

  • Compare with competitors using Site Explorer's Competing Domains and Content Gap reports.
  • Track keyword rankings over time with Rank Tracker.
  • Explore backlink opportunities in the Backlinks and Link Intersect reports.
  • Set up recurring Site Audit crawls so new issues surface automatically.

Your first audit isn't about perfection — it's about building a repeatable habit: enter a target, read the key reports, pick the highest-impact fixes, and act. Do that once a month and your site's health compounds.

Image Editing: What It Is and How to Choose the Right Tool

Image editing is the process of changing an existing image—cropping, resizing, retouching, correcting color, removing a background, or converting its format—rather than creating a new design from scratch. It's the right approach when you already have a photo or graphic and need it to meet a specific requirement: a marketplace listing, a website, a print piece, or a social post. If you're building an original layout with type and vector shapes, that's graphic design; if you're repairing an old or damaged photo, that's restoration. Image editing sits in between and covers most day-to-day tasks.

What counts as image editing

The label covers a defined set of operations. Knowing which one you need determines which tool will work.

  • Crop — remove unwanted edges or change the aspect ratio.
  • Resize — change pixel dimensions or file size for a platform's limits.
  • Retouch — remove blemishes, dust, or small unwanted objects.
  • Color correction — fix white balance, exposure, contrast, or saturation.
  • Background removal — isolate the subject, usually for product or profile images.
  • Format conversion — move between JPEG, PNG, WebP, TIFF, and similar.

For example, an Amazon seller preparing a listing image may need background removal, a square crop, and a resize to the marketplace's minimum pixel requirement—three separate operations in one workflow.

Comparing editor types

The three main categories differ in where they run, what they cost in effort, and what they're good at. Use the same dimensions to compare any two tools.

Type Best for Typical trade-off
Desktop software Precise, repeatable, high-volume work; layered files Install and learning curve
Web apps Quick edits, no install, sharing a link Depends on browser and upload speed
Mobile apps On-the-go crops, filters, quick retouches Smaller screens, fewer precision controls

Some platforms bundle image editing into a wider toolset. IntelliFox, for instance, describes itself as a unified set of Amazon seller tools covering listing optimisation, PPC automation, sales and profit tracking, image editing, review requests, and fee change alerts—so image editing there is one function among several rather than a standalone editor. That matters if your editing needs are tied to marketplace listings rather than general photo work.

How to choose a tool

Match the tool to four things before you commit time to learning it:

  1. Platform — Do you work on desktop, in a browser, or on a phone? Pick the one you'll actually use daily.
  2. Budget — Check the vendor's pricing page rather than assuming a free tier. IntelliFox lists a pricing page at intellifox.com/pricing/, but the source material doesn't state what's free or paid, so verify before relying on it.
  3. Skill level — If you need layers and masks, a full editor is worth the learning curve. If you need a crop and a resize, a simpler tool is faster.
  4. Output needs — Resolution, file format, and transparency requirements rule out some tools immediately.

A basic editing workflow

The same sequence works in almost any editor:

  1. Import the original and keep a copy untouched.
  2. Crop to the target aspect ratio first, so later adjustments apply to the final framing.
  3. Correct color and exposure before retouching, since tonal changes can reveal or hide flaws.
  4. Retouch blemishes and unwanted objects.
  5. Remove or replace the background if the output needs transparency or a clean backdrop.
  6. Resize to the final pixel dimensions.
  7. Export in the required format and check the file size against the platform's limit.

Doing resize and export last avoids re-editing a file that's already been compressed.

Common problems and fixes

  • Quality loss after resizing — You enlarged beyond the original resolution. Start from the largest source file you have, and downsize rather than upsize where possible.
  • Wrong file format — Transparency needs PNG or WebP; JPEG doesn't support it. Convert after editing, not before.
  • Unsupported file — Some editors won't open RAW, TIFF, or HEIC. Convert to a supported format first, or choose a tool that lists your camera's format.
  • Colors look different after export — Check the color profile and whether the platform re-compresses uploads.

If your editing is part of a larger listing or storefront workflow, confirm the tool handles the export formats and dimensions that platform requires before you build a routine around it.

How to Compress Images for the Web Without Losing Visible Quality

You can cut most images to a fraction of their original file size without any visible quality loss by doing three things in the right order: resize the image to the dimensions it will actually display at, pick the right format for the content, then apply compression at a quality level that survives a side-by-side check. The single biggest mistake is skipping step one — an oversized image compressed at maximum quality is still far heavier than a correctly sized one.

Why file size and quality are a trade-off, not a fixed setting

Every compressed image is a negotiation between three variables: how many pixels you keep, how precisely each pixel is described, and how much the format is allowed to guess.

  • Dimensions decide how many pixels exist at all. Halving width and height removes 75% of the pixel data before any compression happens.
  • Quality level decides how aggressively the encoder discards detail it thinks you won't notice.
  • Format decides the kind of discarding allowed — some formats throw away color precision, others only remove redundancy.

Because these interact, "quality 80" means something different on a 4000px photo than on a 600px thumbnail. Tune dimensions first, then quality.

Pick the format before you touch the quality slider

Format Best for Compression type Transparency Notes
JPEG Photographs, gradients, complex scenes Lossy No Smallest for photos; artifacts appear around sharp edges and text
PNG Logos, icons, screenshots, flat color, anything needing transparency Lossless (or lossy via quantization) Yes Often 5–10× larger than JPEG for photos; excellent for flat graphics
WEBP Almost everything, as a modern default Both lossy and lossless Yes Typically 25–35% smaller than JPEG at comparable quality; broad browser support
SVG Logos, icons, diagrams, charts Vector (resolution-independent) Yes Stays crisp at any size; not suitable for photos
GIF Short simple animations only Lossless, 256 colors Yes (1-bit) Superseded by WEBP/MP4 for animation in nearly all cases

Practical rule: photos → JPEG or lossy WEBP; flat graphics and transparency → PNG or lossless WEBP; anything vector → SVG.

The four levers, in the order you should pull them

1. Resize to display size (biggest win, zero quality cost)

If your layout renders an image at 800px wide, serving a 2400px original wastes roughly 89% of the pixels. Resize to the largest size it will ever be displayed at, and add a 2× version only if you need retina sharpness.

2. Choose the format

Match the format to the content type using the table above. Converting a photographic PNG to JPEG or WEBP alone can shrink it by 80% or more.

3. Set the quality level

For JPEG and lossy WEBP, most photographs hold up well between quality 70 and 85. Below ~60, banding appears in skies and blur around text. Above ~90, file size climbs steeply for gains nobody can see.

4. Strip metadata

EXIF data, camera info, and embedded thumbnails can add tens of kilobytes. Remove them unless you specifically need copyright or orientation data — and note that stripping orientation can rotate an image, so verify after export.

When lossy compression is fine, and when it isn't

Lossy is acceptable when:

  • The image is a photograph or has natural texture.
  • It's decorative or below the fold.
  • Slight softening won't be noticed at final display size.

Use lossless or vector instead when:

  • The image contains text, UI elements, or thin lines (lossy creates ringing artifacts).
  • It's a logo, icon, or diagram — SVG or PNG keeps edges clean.
  • It will be edited again later; repeated lossy saves compound degradation.
  • It's a screenshot of code or a chart where color accuracy matters.

Compressing vs. resizing: don't confuse them

Compressing reduces the bytes needed to describe the same pixels. Resizing reduces the number of pixels. They're independent, and resizing usually delivers the larger saving. A 3000×2000 photo at quality 95 might be 2 MB; the same photo resized to 1200×800 at quality 80 might be 180 KB. Doing only the quality reduction gets you maybe 40% off; doing both gets you over 90%.

A repeatable workflow

  1. Determine the maximum display width in your layout (inspect the element or check your CSS).
  2. Export at that width (plus a 2× variant if needed).
  3. Convert to the right format — WEBP as a modern default, JPEG as a fallback, PNG/SVG for graphics.
  4. Apply quality 75–85 for lossy formats and compare against the original.
  5. Strip metadata and re-check orientation.
  6. Verify before publishing (see below).
  7. Serve the right file with srcset so small screens don't download the large variant.

How to verify quality before you publish

  • View at 100% at final display size, not zoomed in — artifacts you can't see at real size don't matter.
  • Toggle between original and compressed in a viewer or an online compressor's before/after preview.
  • Check the worst-case areas: skies, smooth gradients, sharp edges, and any text.
  • Compare file sizes and ask whether the extra kilobytes buy visible improvement. If not, go smaller.
  • Test on a mid-range phone, where banding and blur are often more obvious than on a desktop monitor.

Common mistakes

  • Compressing a full-resolution image and calling it optimized.
  • Using PNG for photographs.
  • Setting quality to 100 "to be safe" — it inflates size with no visible benefit.
  • Re-saving a JPEG repeatedly, stacking artifacts each time.
  • Forgetting that GIF animations are usually better as WEBP or video.
  • Ignoring metadata, which can silently add weight.

Quick reference

Goal Do this
Photo on a webpage Resize to display width → WEBP (fallback JPEG) → quality 75–85
Logo or icon SVG; fall back to PNG if vector isn't possible
Screenshot with text PNG or lossless WEBP
Transparent photo cutout Lossy WEBP or PNG
Short animation WEBP or MP4, not GIF

The order matters more than any single setting: resize, then choose format, then tune quality, then strip metadata, then verify at real display size. Follow that sequence and you'll routinely land at 10–20% of the original file size with no quality your visitors can detect.

Website Overview

Page metadata, canonical configuration and social previews work together to provide more consistent search and sharing presentation. 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

Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain has about 5 years of registration history; its current configuration provides more context than age alone. The registrar is Cloudflare, Inc, a widely used domain service provider. The domain uses the common .io 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 porkbun.com 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 response lacks these common security headers: HSTS, CSP, Permissions-Policy. CORS permits any origin to read this response. This is common for public resources; sensitive responses need narrower handling. 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.

Technology Stack Analysis

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

Search and Social Sharing

Twitter Card metadata is configured. JSON-LD includes Product or Offer data, potentially supporting eligible product search features. The page declares 9 language or regional alternatives using hreflang. The title has 58 characters, within a common display range. A meta description is present, with 138 characters.

Hosting and Email

DNSCloudflare
HostingCloudflare
Emailporkbun.com
Location Location unknown 104.21.50.128

User reviews (0)

  • No reviews yet.

Pages, Search and Sharing

Meta descriptionCompress JPEG, PNG, GIF, WebP images in seconds. 100% offline - your images never leave your browser. Free, fast, and no file size limits.
Canonical URLhttps://compressimage.io/
LanguageEnglish (default) · Multilingual
Twitter Cardsummary_large_image
All bots 1 allowed · 0 disallowed
  • Allow/

Registration details RDAP / WHOIS

RegistrarCloudflare, Inc
Registered2021-05-17
Expires2027-05-17
Domain statusclientTransferProhibited https://icann.org/epp#clientTransferProhibited
Nameserversfred.ns.cloudflare.com、lara.ns.cloudflare.com
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Acompressimage.io104.21.50.128300—
Acompressimage.io172.67.163.58300—
AAAAcompressimage.io2606:4700:3037::6815:3280300—
AAAAcompressimage.io2606:4700:3037::ac43:a33a300—
MXcompressimage.iofwd1.porkbun.com30010
MXcompressimage.iofwd2.porkbun.com30020
NScompressimage.iofred.ns.cloudflare.com86400—
NScompressimage.iolara.ns.cloudflare.com86400—
TXTcompressimage.iogoogle-site-verification=0J9u5odnIJsPF1VCF65RXW-BExHyFsu8teA4Vb0PD8A300—
TXTcompressimage.iov=spf1 mx ~all300—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectcompressimage.io
IssuerGoogle Trust Services
Valid until2026-11-11T18:21 · Remaining when checked: 40 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=utf-8
cache-controlpublic, max-age=0, must-revalidate
servercloudflare
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
access-control-allow-origin*

Identified technologies

Google AnalyticsCloudflare