Issue #695  (CSS/HTML, Testing, Media Tools)11/12/26

 

CSS & HTML Tools

Gradient Studio — A free procedural CSS gradient generator with options to select from existing palettes, styles, and custom settings for gradient angle, light treatment, etc., then export production-ready CSS, Tailwind, or SCSS.

form-saver — A web component that stores (and restores) values within the first form it wraps, designed for crash recovery and interrupted sessions.

The Website Specification — A resource that helps you determine what is required, what is recommended, and what to avoid, regardless of the stack you use.

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dom-docx — A utility that converts semantic HTML fragments to native, editable Word documents (OOXML), with support for paragraphs, runs, lists, tables, flex, images, etc.

rich-input — A rich input field with keyword-based autocomplete and in-input highlighting powered by <datalist>, the OpaqueRange API, and the CSS Custom Highlight API.

pure-web-bottom-sheet — A lightweight, framework-agnostic bottom sheet component leveraging CSS scroll snap and implemented as a Web Component.

Markuplint — An HTML linter that has extended linting support for JSX, Vue, Svelte, Pug, PHP, and more, available as a VS Code extension or usable with your framework, or via the CLI.

ascii.rest — A library of animated ascii art: 236 small animations, called pieces, and block-letter banners for any text, that you can play on a web page, in a GitHub README, or in a terminal.

Testing & Debugging Tools

Heroshot — An open source screenshot automation framework that updates every screenshot in your docs in response to changes in your UI, all with a single command.

njsscan — A static application testing (SAST) tool that can find insecure code patterns in your Node.js applications.

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FormPath — A form checking service that checks SurveyJS JSON, REDCap data dictionaries, and FHIR Questionnaires for questions that can never appear and references to fields that no longer exist.

OpenAPI Audit — Paste a URL and this tool will score your OpenAPI spec for SDK generation, based on fourteen rules by Octri, an API docs generation platform.

Drydock — A pre-publish security review and diff tool for package maintainers that allows developers to inspect package artifacts and dependencies for npm, PyPI, and VS Code before pushing releases live.

pour — A free, high-speed WCAG 2.2 accessibility checker and simulation tool available as a browser extension, CLI tool, bookmarklet, or VS Code extension.

playwright-soak-test — A utility that automates memory leak detection in SPAs using Playwright, repeating user flows with virtual clocks to catch DOM node and event listener leaks quickly.

@lexingtonthemes/astro-image-inspector — An Astro dev toolbar that lets you inspect images on hover during local development, so you can see actual size, render size, loading mode, and common warnings (e.g. upscaled, oversized source, missing dimensions).

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Media Tools (SVG, Video, etc.)

Logos — A directory of 15,000+ SVG logos for popular apps, dev tools, and tech brands, allowing you to search, filter by category, then download or copy in one click.

ffmpegdownload — A one-stop web tool for generating and downloading customized, pre-compiled FFmpeg binaries for Windows, Mac, and Linux across versions, architectures, and licensing options.

Mitos — An ASCII art and video conversion tool that transforms media into styled text, animated sequences, and SVGs with settings for dithering, character sets, and color palettes.

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So Very Bright — A web tool that allows you to upload a logo to create HDR JPEGs and gain maps, allowing logos and text to appear up to 7.5x brighter than standard white on compatible HDR displays.

ConvertYard — A privacy-first file conversion and editing suite of 150+ tools to convert images, PDFs, videos, or audio files, up to 1,000 files per batch, locally, in the browser.

Svg/icons — A search engine and library for open-source vector graphics, indexing 312,000+ SVG icons from various open source icon sets.

Removerized — A privacy-first AI image toolkit that runs entirely client-side in the browser using WebAssembly, offering features like background removal, image upscaling, and batch processing without sending data to a server.

openvid — A browser-based video editor and mockup generator to record screens, apply 3D device mockups, dynamic zooms, and custom backgrounds, exporting cinematic product demos directly in the browser.

Commercial Apps & Classifieds