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A curated collection of tools and resources for web designers and developers.

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What is Addy's Web Dev Toolkit?

Addy's Web Dev Toolkit is a hand-curated directory of tools and resources for people who build websites — designers and front-end developers, mainly. Its own framing is "755 links and counting," with the emphasis on "No fluff, just the good stuff": instead of crawling the whole web, someone has already filtered it down to entries worth opening.

The site is organised as a set of themed sections rather than one flat list. From the page itself, the visible groupings include:

  • Newest additions — the latest hand-picked entries, useful if you check back periodically.
  • Get inspired — galleries, showcases and creative sparks (the page notes 73 items in this section).
  • Level up — learning-oriented material.
  • Design tools and Icons galore — practical asset and design utilities.

Each entry is a short card: a name, a one-line description, and a Free tag where it applies. Examples on the page include Free Faces Gallery (free-licence typefaces organised by style), TinyPNG (image compression and conversion for AVIF, WebP, PNG and JPEG), CSS Zen Garden (the classic demonstration that the same HTML can look completely different with a different stylesheet), Debuggex (a visual regular-expression tester), and an easing-functions cheat sheet for animation timing.

How to use it well: treat it as a starting point for a specific task, not as a catalogue to read end to end. If you're choosing a typeface for a project, start in the type and inspiration sections; if you're optimising page weight, the image and performance entries are the relevant ones. Because entries are tagged Free, it's also a reasonable first stop when you want to avoid signing up for a paid service before you know whether you need one.

One trade-off to keep in mind: curation means you're trusting someone else's taste and priorities. A directory like this is strong for discovery and weak for comparison — it won't tell you which of two similar tools is better for your stack, and "Free" says nothing about licensing terms, data handling or long-term maintenance. Check those details on the tool's own site before committing.

For broader, community-maintained alternatives when the curated list doesn't cover what you need, GitHub topic pages and Product Hunt are reasonable places to widen the search.

How can I find the best free fonts for a web design project?

Start with a small shortlist rather than a giant download folder. A curated directory can save hours of filtering: Addy's Web Dev Toolkit, for example, groups free resources under headings such as "Design tools" and "Icons galore," and its "Newest additions" section surfaces free font collections like Free Faces Gallery and Dirtyline Studio Freebies.

A practical font-hunting workflow

  1. Define the job first: body text, headings, code, or display/logo use. A handwritten freebie that looks great in a hero image is usually a poor choice for long paragraphs.
  2. Browse a style-organised gallery. Free Faces Gallery is described as a curated collection of typefaces under a variety of free licences, organised by style for easy browsing — useful when you know the mood you want but not the typeface name.
  3. Check the licence before you commit. "Free" can mean free for personal use, free for commercial use, open source, or free with attribution. This is the step most often skipped and the one that causes the most rework.
  4. Test in context. Set real copy at the sizes your site actually uses, then compare line length, x-height, and how the numerals and punctuation look — not just the specimen headline.
  5. Pair deliberately. Usually one distinctive display face plus one highly legible text face beats two competing personalities.

What to compare

Criterion Why it matters Quick check
Licence Determines whether you can ship it commercially Look for the licence file or terms page
Character set Missing glyphs break multilingual or accented text Test your language's diacritics and symbols
Weights and italics Limits how you build hierarchy Count the styles you actually need
File formats Affects load performance and rendering Prefer modern web formats and subsetting
Legibility at small sizes Body text is read, not admired Set a paragraph at 16px and read it

Where to look next

Beyond curated directories, established open-licence libraries are worth knowing: Google Fonts for a broad, easily self-hosted catalogue, and Fontsource for installing open-source fonts as packages in a build pipeline. If you want to study how type and layout choices change a design, CSS Zen Garden shows radically different visual results from identical HTML by swapping only the stylesheet — a good reminder that typography is a design decision, not a download.

Decision rule: if you cannot name the licence and confirm the weights you need in under five minutes, move on to the next candidate. There are enough well-documented free fonts that an unclear one is not worth the risk.

What tools are available for optimizing images for the web?

For image optimization, Addy's Web Dev Toolkit lists TinyPNG as a compression and conversion service that handles AVIF, WebP, PNG, and JPEG files without visible quality loss. Two other entries are adjacent rather than direct optimizers: My OG Image generates Open Graph preview images with editable templates and PNG, JPEG, or WebP exports, so it solves the "social card" problem rather than shrinking photos; VectorAI creates vector graphics, which sidesteps raster compression entirely when the artwork suits vectors.

How to choose

  • Photos and screenshots: Start with a compressor like TinyPNG. Run one representative image first and compare file size and visual quality before batch-processing a whole folder.
  • Social previews: Use a generator such as My OG Image when you need consistent, correctly sized cards for sharing, rather than resizing a photo by hand.
  • Logos, icons and flat illustrations: Prefer vector output (VectorAI or a design tool) so one file stays sharp at every size and needs no compression pass.
  • Modern formats: Converting to WebP or AVIF usually cuts bytes more than re-compressing a JPEG, but keep a fallback for older browsers.

A practical next step

Pick your single heaviest page image, compress it, convert it to WebP, and note the before/after size. That one number tells you whether a full-site pass is worth the effort — usually it is, because images dominate page weight on most marketing and portfolio sites. For a broader set of design and front-end utilities, browse the curated index at Addy's Web Dev Toolkit.

How can I generate Open Graph images for social media?

Use a dedicated Open Graph (OG) image generator to turn a template into a shareable preview image, then attach that image to your page's meta tags.

For a quick, no-install route, My OG Image is listed in this toolkit as a free Open Graph image generator with editable templates, custom dimensions, brand assets, and PNG, JPEG, or WebP exports. It fits the common case: a blogger or small site owner who wants a branded 1200×630 preview without opening a design app.

A practical workflow

  1. Pick or build a template: background, logo, title text, accent color.
  2. Generate one image per page or post, ideally with the page title baked in.
  3. Export as PNG or JPEG (WebP is also offered) and host it at a stable URL.
  4. Point your page's og:image meta tag at that URL, and set og:title and og:description to match.
  5. Test the link in a social preview debugger before publishing.

When to choose what

  • One-off or occasional posts: a template-based generator is fastest.
  • Many pages generated automatically: consider a code-based or API-driven approach so titles and images stay in sync.
  • Full design control: build the image in a design tool, but keep the output dimensions and text size consistent.

Two related entries in the same collection are worth knowing for the surrounding tasks: TinyPNG for compressing the exported image without visible quality loss, and Debuggex if you need to validate patterns in the code that assembles your meta tags. For broader design references, CSS Zen Garden shows how much visual variation is possible from one HTML structure.

Next step: decide whether your OG images are hand-made or generated per page. If you publish more than a few posts a month, set up an automated template early rather than exporting each image by hand.

What resources can help me choose animation easing functions?

For choosing animation easing functions, start with an interactive reference that lets you compare curves side by side rather than reading static definitions. Addy's Web Dev Toolkit lists Easing Functions Cheat Sheet under its newest additions, described as an interactive cheat sheet for comparing and choosing easing functions that control the rate of change in animations. That matches the core need: seeing how ease-in, ease-out, ease-in-out, and custom cubic-béziers behave before committing them to CSS or a motion library.

Use it when:

  • You need to pick between standard CSS keywords (ease, ease-in-out, linear) and a custom cubic-bezier().
  • You are tuning a micro-interaction (button press, tooltip, modal) and want to feel the difference between a snappy start and a soft settle.
  • You want a shared vocabulary so a designer and developer agree on the same curve.

A practical next step: open the cheat sheet, pick two or three candidates, and test them at the real duration and distance your interface will use. Easing that feels right on a small hover can feel sluggish on a full-screen panel, so always preview at production scale.

If you want broader context on motion design rather than just curves, the toolkit's "Get inspired" section collects galleries and showcases. For CSS-driven animation examples specifically, CSS Zen Garden demonstrates how radically different visual results come from changing only the stylesheet, which is useful for studying how timing and easing change the feel of the same markup. For a curated starting point across many tools, Addy's Web Dev Toolkit groups these resources by task.

How can I test and debug regular expressions visually?

For visual regex work, use a tool that draws matches directly on your test text, then add saved test cases so changes don't silently break earlier patterns. Debuggex fits that workflow: it's listed as a visual regular expression tester and debugger with match visualisation, test data, unit tests, and a reusable regex library on Addy's Web Dev Toolkit.

A practical debugging loop

  1. Paste a small sample of real input, not a made-up string.
  2. Highlight the part you expect to match and the part you expect to skip.
  3. Step through the visualisation to see where the engine backtracks or stops.
  4. Save the case as a test, then tighten the pattern.
  5. Re-run all saved cases before copying the regex into your code.

What to look for

  • Match highlighting shows boundaries, so you can spot patterns that swallow one character too many.
  • Step-through or backtracking views explain why a greedy quantifier behaves unexpectedly.
  • Test data sets let you cover empty strings, Unicode, newlines, and near-miss inputs.
  • A saved library keeps proven patterns reusable across projects.

If you only need to check a pattern once, a simple highlighter is enough. Choose a debugger with unit tests when the regex will live in production, handle user input, or be edited by other people.

For a concrete scenario: a form validation regex that passes [email protected] may still fail on [email protected]. Paste both into the tester, watch which part of the pattern rejects the second, adjust, and keep both as test cases.

Two related references are useful alongside a tester: CSS Zen Garden for seeing how one HTML structure supports many visual designs, and TinyPNG if your test page includes screenshots or sample images you want to compress before sharing.

Related questions

More questions →
How Designers Choose and Use Icons8 Icons, Illustrations, and 3D Assets

Icons8 is a library of icons, illustrations, and 3D assets drawn by its own designers so that styles stay consistent across formats, available for download in SVG and PNG, with an MCP server for AI agents and coding tools. It fits designers who need a matching set fast — a UI, a deck, or a landing page — and who want vector files they can still edit. It is less suited to work that requires a fully custom visual language, since ready-made assets carry the house style of whichever set you pick.

Start by matching the asset style to the project

The fastest way to waste time is to pick assets one at a time by look. Decide the style first, then filter everything to that style.

Project type Style that usually fits Why
Product UI, dashboards, dense screens Outline or filled icon set, one weight Small sizes stay legible; mixing outline and filled in one toolbar reads as an error
Marketing pages, hero sections Flat or 3D illustrations More visual weight, room to carry a concept
Slides, internal docs PNG icons and simple illustrations Fast to drop in, no vector editing needed
Brand-critical or editorial work Custom or heavily edited assets Ready-made sets are recognizable and shared across many products

The consistency claim in Icons8's own description — icons and illustrations "drawn by our own designers so every style matches" — is the practical reason to filter by one style across all three asset types rather than mixing a 3D illustration with an outline icon set.

Pick the file format by what happens next

  • SVG — editable vector. Use it when the asset will be recolored, resized without loss, animated, or handed to a developer. This is the default for UI work.
  • PNG — raster. Use it for quick mockups, slides, and anywhere you cannot paste or render vector files.

If you are unsure, download SVG. You can always export a PNG from it later; you cannot cleanly go the other way.

Keep a set consistent

  1. Choose one style (for example, a single outline weight) before searching.
  2. Filter icons, illustrations, and 3D to that same style so a page does not mix visual languages.
  3. Reuse the same icon for the same meaning across screens — a second "settings" icon in a different style is a common slip.
  4. Check the set covers your edge cases (empty states, errors, onboarding) before committing, not after you have built ten screens.

Check licensing and pricing before client work

Icons8 lists a pricing page, which is the place to confirm what a given use requires. Before shipping assets in client or commercial work, verify the license terms for the specific asset and plan rather than assuming downloads are unrestricted. Pricing and plan details are not covered here — check the site directly, since terms and prices change.

Getting assets into your workflow

  • Figma and design tools — SVG imports as editable vector layers, so you can recolor and resize inside the file.
  • Web — SVG inline or as a file keeps icons sharp at any size and lets CSS control color.
  • Presentations — PNG avoids font and vector rendering issues in slide software.

Icons8 also offers an MCP server for AI agents and coding tools, which is relevant if you are wiring asset lookup into an automated or agent-driven workflow rather than browsing manually.

Customize or download ready-made?

Download ready-made when the asset is generic — a search icon, a folder, a chart — and speed matters more than uniqueness. Customize (recolor, adjust stroke, simplify) when the asset sits in a branded context or appears at large size where its original style would clash. Build fully custom only when the visual language itself is the product, since that is where a shared library stops helping.

How Are Tools Selected and Organized in Addy's Web Dev Toolkit?

Addy's Web Dev Toolkit is a hand-picked directory of tools and resources for people who build websites, currently listing 755 links. It differs from a search engine or an automated aggregator in two ways: every entry is manually selected, and every entry is placed into a themed section rather than dumped into one flat list. That makes it most useful when you want a short, pre-filtered set of options for a specific task — for example, picking an image compressor, an easing function, or a font source — instead of scrolling through search results.

What "hand-picked" actually means here

The site describes itself as "a lovingly curated collection of tools, resources, and inspiration for designers and developers. No fluff, just the good stuff." The selection model is editorial, not algorithmic:

  • Manual curation. Entries are chosen by a person, not scraped or auto-ranked by traffic.
  • A visible, growing count. The page shows "755 links and counting," so the collection is maintained rather than frozen.
  • A "Newest additions" section. Recently added tools appear at the top, which tells you the directory is actively updated.

The practical consequence: you get fewer results than a search engine, but each result has already passed a relevance filter. The trade-off is that you're trusting one curator's judgment, and coverage will be narrower than a general search.

How the collection is organized

Entries are grouped into themed sections rather than sorted by category alone. The headings visible on the page include:

Section What it holds
Newest additions The latest hand-picked tools and resources
Get inspired Galleries, showcases, and creative sparks
Level up Learning-oriented resources
Design tools Tools aimed at design work
Icons galore Icon sets and related assets

Some sections carry a "View all" link with a count — for example, "Get inspired" shows "View all 73." That means a section can hold far more entries than the handful previewed on the main page, so the visible cards are a sample, not the full section.

What each entry tells you

Every listing follows the same compact format, which is what makes the directory scannable:

  • Name — e.g. TinyPNG, CSS Zen Garden, Debuggex.
  • A one-line description of what it does.
  • A free/paid label — the entries shown are marked "Free."
  • An external link that opens the tool itself.
  • An info icon for additional detail.

Examples from the "Newest additions" section show the range:

  • TinyPNG — image compression and conversion for AVIF, WebP, PNG, and JPEG without visible quality loss.
  • CSS Zen Garden — a long-running demonstration of how the same HTML can look radically different by changing only the stylesheet.
  • Easing Functions Cheat Sheet — an interactive comparison for choosing animation easing functions.
  • Debuggex — a visual regular expression tester and debugger with match visualisation and reusable regex.
  • My OG Image — a free Open Graph image generator with editable templates and PNG, JPEG, or WebP export.
  • VS Code Themes — browse and preview themes by language, dark/light variant, and popularity before installing.

Notice the pattern: each entry answers "what is this and what does it do" in one line, then gets out of the way. There's no long review to read before you decide whether to click.

When this directory is worth using

Use it when:

  • You need a tool for a specific, well-defined job (compress images, test a regex, generate an OG image) and want a vetted shortlist rather than ten browser tabs of search results.
  • You want inspiration or learning material and would rather browse a curated gallery than a feed.
  • You care about the free/paid label being visible before you click.

Look elsewhere when:

  • You need something niche or very new — a 755-link collection can't cover everything, and a search engine will reach further.
  • You want comparison data like pricing tiers or feature matrices; the entries give a description and a free/paid tag, not a side-by-side breakdown.
  • You need guaranteed freshness on a specific tool — the "Newest additions" section shows recent picks, but individual entries don't display a last-checked date.

A quick way to use it

  1. Open the toolkit and scan the section headings to find the theme closest to your task.
  2. Read the one-line descriptions in that section — this is usually enough to shortlist two or three.
  3. Check the free/paid label against your constraints.
  4. Click through to the tool via its external link and evaluate it in context.

If nothing in the previewed cards fits, follow the "View all" link for that section before giving up on it — the preview only shows a fraction of what's inside.

What Kinds of Tools and Resources Are in Addy's Web Dev Toolkit?

Addy's Web Dev Toolkit is a curated directory of 755 hand-picked tools and resources for people who build websites, organized into categories such as newest additions, inspiration, learning, design tools, and icons. If you want to know whether it covers a specific need — image optimization, fonts, regex debugging, animation timing, or design inspiration — the sections below map the main types of entries you'll find, based on the site's own listings.

Design and visual tools

These entries handle the visual production side of building a site, from compressing assets to generating graphics.

Tool What it does Cost signal
TinyPNG Image compression and conversion for AVIF, WebP, PNG, and JPEG without visible quality loss Free
My OG Image Open Graph image generator with editable templates, custom dimensions, brand assets, and PNG/JPEG/WebP export Free
VectorAI AI-powered vector graphic creation Free
Archify Open-source agent skill that generates validated HTML architecture, workflow, sequence, data-flow, and lifecycle diagrams from codebases or descriptions Free

The pattern here is practical output: you bring a file or a description, and the tool returns a compressed image, a social preview, a vector, or a diagram.

Fonts and typography resources

Typography entries lean toward free licensing and browsability rather than commercial font marketplaces.

  • Free Faces Gallery — a curated collection of typefaces under a variety of free licences, organized by style for easy browsing.
  • Dirtyline Studio Freebies — a collection of free display and handwritten fonts.

If your project needs a display or handwritten face and you want to stay within free licensing, these two are the direct starting points in the directory.

Developer utilities

These are the debugging and reference tools that support day-to-day front-end work.

  • Debuggex — a visual regular expression tester and debugger with match visualization, test data, unit tests, and a reusable regex library.
  • Easing Functions Cheat Sheet — an interactive reference for comparing and choosing easing functions that control the rate of change in animations.
  • VS Code Themes — browse and preview Visual Studio Code themes across languages, dark and light variants, popularity, and installation counts before installing.

Each one solves a comparison or verification problem: which regex actually matches, which easing curve produces the motion you want, which theme you'll be looking at all day.

Inspiration and learning content

The directory also carries a "Get inspired" section described as galleries, showcases, and creative sparks, with 73 entries in that category.

  • CSS Zen Garden — a long-running demonstration showing how radically different visual designs can be created from the same HTML by changing only the stylesheet. It appears both as a newest addition and as an inspiration/learning entry.

This category is for when you need a reference point or a demonstration of technique rather than a tool that processes an input.

How to decide if it fits your need

Use the category structure as your filter:

  • Optimizing or generating assets → design and visual tools (TinyPNG, My OG Image, VectorAI, Archify).
  • Choosing typefaces under free licences → font and typography resources.
  • Debugging or configuring your editor and animations → developer utilities.
  • Looking for technique demonstrations or creative direction → inspiration and learning.

The site describes itself as "no fluff, just the good stuff," and the entries above are labeled Free where the listing shows a cost signal. The directory does not present pricing tiers or login requirements in the material available, so treat each linked tool's own terms as the authority before relying on it in a production workflow.

How to Browse and Find a Specific Tool in Addy's Web Dev Toolkit

Addy's Web Dev Toolkit is a curated directory of 755 links for people who build websites, organized into task-based sections rather than a single searchable database. To find a specific tool, start from the section that matches your task (design, icons, inspiration, learning), check "Newest additions" if you want recent entries, and use the "View all" link inside a category to see its full set. Each listing links out to the tool's own site, so the toolkit itself is a navigation layer, not a workspace.

Start from the section that matches your task

The toolkit groups entries by what you're trying to do, not by tool type. Visible sections include:

  • Newest additions — the latest hand-picked tools and resources
  • Get inspired — galleries, showcases, and creative sparks (73 entries in this category)
  • Level up — learning-oriented resources
  • Design tools — tools for visual and interface work
  • Icons galore — icon sets and related assets

If your task is "I need an icon set," go to Icons galore. If it's "I need a font," the design-adjacent sections and Newest additions are the better entry points. Matching your task to the section name is faster than scanning the whole list.

Use "Newest additions" when you want recent entries

The Newest additions section surfaces the most recently hand-picked items, which is useful when you already know the common tools in a category and want something newer. Examples currently listed there:

Tool What it does Cost signal
Free Faces Gallery Curated typefaces under various free licences, organized by style Free
Archify Open-source agent skill that generates validated HTML diagrams (architecture, workflow, sequence, data-flow, lifecycle) from codebases or descriptions Free
TinyPNG Image compression and conversion for AVIF, WebP, PNG, JPEG without visible quality loss Free
CSS Zen Garden Long-running demonstration of CSS design using the same HTML with different stylesheets Free
Dirtyline Studio Freebies Free display and handwritten fonts Free
My OG Image Open Graph image generator with editable templates, custom dimensions, brand assets, and PNG/JPEG/WebP export Free
VS Code Themes Browse and preview VS Code themes by language, dark/light variant, popularity, and install counts Free
VectorAI AI-powered vector graphics creation Free
Easing Functions Cheat Sheet Interactive comparison of easing functions for animation timing Free
Debuggex Visual regex tester and debugger with match visualization, test data, unit tests, and a reusable regex library Free

"Free" here reflects the label shown on each listing, not a guarantee about every feature or future pricing.

Follow "View all" to see a full category

Category sections show a preview rather than the complete set. The "Get inspired" section, for example, displays a subset and offers a View all 73 link. Clicking that expands the category to its full list. If a section looks short, it's almost certainly truncated — use the View all link before concluding a tool isn't listed.

Open a tool by clicking its external link

Each listing is a card with a name, a short description, and an open_in_new external link. The toolkit does not host the tools; clicking through takes you to the tool's own site, where you actually use it. Some cards show "No preview" with an image placeholder — that only means no thumbnail was captured, not that the link is broken.

A practical browsing sequence

  1. Identify your task in one phrase (e.g., "compress images," "pick an easing curve," "find free fonts").
  2. Jump to the matching section heading.
  3. If nothing fits, check Newest additions — recent picks often cover niche needs.
  4. If the section looks incomplete, click View all to expand it.
  5. Click the external link on the card to open the tool and evaluate it on its own site.

Common snags

  • Treating it as a search engine. The page is organized by curated sections; there's no indication of a keyword search box, so browsing by category is the intended path.
  • Stopping at the preview. Sections are truncated by design. Missing the View all link is the most likely reason a tool seems absent.
  • Reading "No preview" as unavailable. It's a missing thumbnail, not a dead entry.
  • Assuming "Free" covers everything. The label appears on listings, but each tool's own site defines its actual terms.
What is Addy's Web Dev Toolkit?

Addy's Web Dev Toolkit is a curated directory of 755 hand-picked tools and resources for web designers and developers. It is aimed at people who build websites and want a pre-filtered, no-fluff selection rather than a search engine's worth of options. Each listing links out to an external site, and many are marked "Free." Use it when you want to discover a tool for a specific task — compressing images, generating Open Graph previews, choosing animation easing, or testing a regex — without wading through low-quality results.

What you'll find inside

The toolkit is organized around the kinds of tasks that come up when building a site. From the page evidence, the visible categories include:

  • Newest additions — the latest hand-picked tools and resources
  • Get inspired — galleries, showcases, and creative sparks (73 items in this section alone)
  • Level up — learning resources
  • Design tools
  • Icons galore

Each entry follows a consistent pattern: a name, a short description of what it does, a "Free" tag where applicable, and an external link. There are no long reviews or tutorials on the site itself — it is a jumping-off point, not a manual.

Examples of what's listed

The "Newest additions" section gives a concrete sense of the range:

Tool What it does
Free Faces Gallery Curated typefaces under various free licences, organized by style
Archify Open-source agent skill that generates validated HTML architecture, workflow, sequence, data-flow, and lifecycle diagrams
TinyPNG Image compression and conversion for AVIF, WebP, PNG, and JPEG without visible quality loss
CSS Zen Garden Long-running demonstration of CSS design using the same HTML with different stylesheets
Dirtyline Studio Freebies Free display and handwritten fonts
My OG Image Free Open Graph image generator with editable templates and PNG/JPEG/WebP export
VS Code Themes Browse and preview VS Code themes by language, variant, popularity, and install count
VectorAI AI-powered vector graphics creation
Easing Functions Cheat Sheet Interactive comparison of easing functions for animations
Debuggex Visual regular expression tester and debugger with match visualization and unit tests

Who it's for

The toolkit suits two broad groups:

  • Designers looking for typefaces, icons, inspiration galleries, and visual asset generators
  • Developers looking for utilities like image compression, regex debugging, theme browsing, and diagram generation

It is less useful if you already know exactly which tool you need, or if you want in-depth documentation and comparisons. The value here is discovery and filtering, not depth.

How to use it

  1. Open the toolkit and scan the category that matches your task (design, icons, inspiration, learning).
  2. Read the one-line description to judge fit.
  3. Check the "Free" tag if cost matters to you — note that the tag reflects the listing's own label, and you should confirm licensing and limits on the destination site.
  4. Follow the external link to the actual tool.

Because every entry points off-site, treat the toolkit as an index. Verify current pricing, licence terms, and account requirements on the tool's own page before committing to it in a project.

Website Overview

Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms. 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 .codes 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. DNSSEC is enabled, allowing validating resolvers to authenticate signed DNS data. No CNAME was found; the observed records resolve directly to addresses.

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, X-Content-Type-Options. 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 Cloudflare without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

The title has 87 characters and may be truncated in search results. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. Open Graph is partially configured; og:image is missing. Twitter Card metadata is configured. A meta description is present, with 77 characters.

Hosting and Email

DNSCloudflare
HostingCloudflare
EmailGoogle Workspace
Approximate IP geolocation (inferred; a CDN or proxy may differ from the origin server) Location unknown Inferred 104.21.85.57

Registration details

RDAP / WHOIS

RegistrarCloudflare, Inc
Registered2021-02-21
Expires2027-02-21
Domain statusclient transfer prohibited
Nameserverselsa.ns.cloudflare.com、josh.ns.cloudflare.com
DNSSECsigned

DNS records

DNS

TypeNameValueTTLPriority
Atoolkit.addy.codes104.21.85.57300—
Atoolkit.addy.codes172.67.202.188300—
AAAAtoolkit.addy.codes2606:4700:3031::ac43:cabc300—
AAAAtoolkit.addy.codes2606:4700:3033::6815:5539300—
MXaddy.codesaspmx.l.google.com36001
MXaddy.codesalt1.aspmx.l.google.com36005
MXaddy.codesalt2.aspmx.l.google.com36005
MXaddy.codesalt3.aspmx.l.google.com360010
MXaddy.codesalt4.aspmx.l.google.com360010
NSaddy.codeselsa.ns.cloudflare.com86400—
NSaddy.codesjosh.ns.cloudflare.com86400—
TXTaddy.codesgoogle-site-verification=3YLGyvorFg-btZGmMuT-_SkQEd168nkSe1UEA9nU-tg300—
TXTaddy.codesv=spf1 include:_spf.google.com -all300—
DSaddy.codes2371 13 2 c9c1dd74daebb35e495d17614cf131087b7b107b3921a1fd968bc36c8632bbce3600—

TLS and certificates

TLS / SSL

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectaddy.codes
IssuerGoogle Trust Services
Valid until2026-11-21T12:13 · Remaining when checked: 49 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HTTP

HeaderValue
content-typetext/html; charset=utf-8
servercloudflare
content-security-policydefault-src 'self'; base-uri 'none'; object-src 'none'; frame-ancestors 'none'; frame-src 'self' https://www.youtube.com https://www.youtube-nocookie.com https://player.vimeo.com https://challenges.cloudflare.com; form-action 'self'; connect-src 'self' https:; img-src 'self' data: https:; font-src 'self' data: https:; style-src 'self' 'unsafe-inline' https:; script-src 'self' 'unsafe-inline' https:
x-frame-optionsSAMEORIGIN, SAMEORIGIN
x-content-type-optionsnosniff, nosniff
referrer-policystrict-origin-when-cross-origin
permissions-policycamera=(), microphone=(), geolocation=(), payment=(), usb=(), interest-cohort=()

Identified technologies

Cloudflare

Pages, Search and Sharing

Meta descriptionA curated collection of tools and resources for web designers and developers.
Canonical URLNot detected
LanguageEnglish (default)
Twitter Cardsummary_large_image
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