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awesome-devtools

🤖 A curated list of in-browser bookmarklets, tools, and resources for modern full-stack software engineers.
https://github.com/moimikey/awesome-devtools

Last synced: 5 days ago
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  • Bookmarklets

    • DOM Monster - A cross-platform, cross-browser bookmarklet that will analyze the DOM & other features of the page you're on.
    • Make Bookmarklets - Online tool to turn JavaScript into a bookmarklet.
    • Ramda - Add Ramda to any page!
    • Viewport Resizer - A browser-based tool to test any website's responsiveness.
    • artoo.js - Client-side scraping utility for the currently loaded uri.
    • Rulers Guides - A JavaScript library which enables Photoshop-like rulers and guides interface on a web page.

  • Tools

    • Debugging & Development

      • Beeceptor - Rule based API mocking service. When rules are matched, a request is mocked, else target endpoint is hit as usual. Create custom endpoints to test and debug rest APIs.
      • endpoints.dev - View realtime HTTP requests using a endpoints.dev generated URL.
      • Hook.io - Instantly deploy microservices in over 11+ languages (OSS!)
      • Hoppscotch - A lightweight, web-based API development suite.
      • jsonbin - Custom, mock JSON API
      • Reqbin - REST & SOAP API Online Testing Tool

    • Deobfuscation & Transformation

      • AST Explorer - Parse JS to an explorable AST tree via acorn, babel, babylon, espree, esprima, recast, shift, and typescript.
      • Compiler Explorer - Run compilers interactively from your web browser and interact with the assembly
      • JavaScript Deobfuscator - A simple but powerful deobfuscator to remove common JavaScript obfuscation techniques.
      • Markdown to HTML - Paste or type your markdown and see it rendered as HTML. Download or copy the resulting HTML.
      • Markdown Tools - Tools to convert Markdown to/from a number of formats. E.g. Html to Markdown, or a CSV to a Markdown table.

    • Diagramming & Scratch

      • dot-to-ascii - Graphviz to ASCII converter using Graph::Easy.
      • Excalidraw - Virtual whiteboard.
      • JSON-to-Chart - Create beautiful charts from JSON data in your browser.
      • nomnoml - A tool for drawing UML diagrams based on a simple syntax.
      • Sequence Diagram - An online tool / software for creating UML sequence diagrams.

    • Diffing

      • JSONDiffPatch - Run a visual or non-visual diff on two JSON blobs.

    • File Sharing

      • file.io - Ephemeral file sharing. Convenient, anonymous and secure.
      • instant.io - Instant file transfer/sharing over WebTorrent

    • Generators

      • JSONGenerator - Create random JSON data
      • Readme - All in one tool to quickly generate a readme for your project or github profile.

    • Image

      • Favic-o-matic - Literally generates every favicon neccessary + markup.
      • JPEG.rocks - Privacy-aware JPEG optimizer
      • PicPerf - Boost web performance with image optimization. Analyze and improve `<img>` tags, `<style>` tags, and inline CSS.
      • PNG-to-SVG - Free conversion from JPG or PNG images To vectorized SVG.

    • Performance

    • Playgrounds

      • ES.nextBin - Like RequireBin but ES2015
      • ESM - A fast, smart, & global CDN for modern(es2015+) web development.
      • JSFiddle - JS/ES3/Coffee/HTML/CSS/Sass
      • playcode.io - JS/Typescript/Coffee/LiveScript/Babel/CSS/Sass/LESS/Stylus/HTML/Pug

    • Regex

    • Copy/Paste Scripts &amp; Styles

    • Transformation

      • Babel REPL - The compiler for next generation JavaScript
      • Sassmeister - Sass/Scss <-> CSS
      • Sucrase - Super-fast Babel alternative
      • Web2Img - A tool to bundle your web files into a single image, and extract them via Service Worker at runtime.

    • Presentation

      • Ray.so - Create beautiful images of code snippets.

  • Web-based Tools

    • Debug JavaScript

      • httpbin - HTTP Request & Response service.
      • Loupe - Similar in goal to SlowmoJS, a JavaScript call stack visualizer.
      • SlowmoJS - Execute JavaScript in slow motion.
      • Babel Time Travel - Travel in time as babel transpiles.
      • DebugJS - Debug your JavaScript in the browser (lol?)
      • JSONBIN.io - Custom, mock JSON API

    • Document &amp; Editors

      • README.so - A simple editor to quickly add and customize all the sections you need for your project's readme.

    • Generators

      • NGINXConfig - The easiest way to configure a performant, secure, and stable NGINX server.

    • Image

      • Squoosh - Compress and optimize images in browser
      • SVG-to-backgroundImage - Convert your SVG files into CSS url (data URIs) by encoding it.
      • SVGOMG - Try [SVGO](https://github.com/svg/svgo) (SVG Optimizer) in the browser!

    • Diffing

      • JSONDiffPatch - Run a visual or non-visual diff on two JSON blobs.

    • Postman Alternatives

      • RecipeUI - Open source Postman alternative with type safety built in.
      • Reqbin - REST & SOAP API Online Testing Tool

    • Diagramming &amp; Scratch

      • dbdiagram - Draw Entity-Relationship Diagrams, Painlessly.
      • JSONCrack - Visualize CSV/JSON/TOML/XML/YAML instantly into graphs.
      • Markmap - Visualize markdown as a feature-rich mindmaps.

  • Web-based Services

    • Transformation

      • JSNice - Statistical renaming, type inference and deobfuscation.
      • JSON ABC - Sorts JSON alphabetically
      • SWC - compile JS/TS files using modern JS features and outputs valid code that is supported by all major browsers.
      • Terser - JavaScript parser, mangler and compressor toolkit for ES6+
      • Sassmeister - Sass/Scss <-> CSS

    • Presentation

      • Pure CSS Apple - Pure CSS Apple devices with scrollable media
      • snapify - Snappify enables you to create stunning presentations, with first-class support for code snippets.

    • Playgrounds

      • CodeSandbox - Online code editor and sandbox
      • Ellie - The Elm Live Editor
      • JSBin - JS/Coffee/Babel/Babel/Live/JSX/HTML/Markdown/Pug/CSS/Stylus/LESS/Sass
      • codepen - Social development environment for front-end designers and developers. Build and deploy a website, show off your work, build test cases to learn and debug, and find inspiration.
      • playcode.io - JS/Typescript/Coffee/LiveScript/Babel/CSS/Sass/LESS/Stylus/HTML/Pug

    • Regex

      • Debuggex - PCRE/Python/JavaScript regex matching.
      • ExtendsClass - PHP/Python/Ruby/JavaScript regex matching.

    • Copy/Paste Scripts &amp; Styles

    • File Sharing

      • pairdrop - Instant file transfer over your local network (P2P)

  • Resources

    • Browser Information

    • CDN

      • JSDelivr - A free CDN for open source projects.
      • Skypack - Load optimized npm packages with no install and no build tools.
      • unpkg - Fast, global content delivery network for everything on npm.

    • Cheat Sheets

    • Compatability

    • CSS Inliners

    • Documentation

    • Easings & Animations

    • Glyphs &amp; Icons

      • Copy/Paste Character - Copy &amp; Paste emojis and unicode symbols
      • CSS Icons - Copy &amp; Paste icons in CSS + transition animations!
      • Entity Lookup - Enter any character(s) and find its corresponding HTML entity code.
      • heroicons - Beautiful hand-crafted SVG icons, by the makers of Tailwind CSS.
      • Icon Finder - Millions of graphics for your design projects. Created by independent designers.
      • Icon Monstr - Discover 4000+ free icons in 300+ collections.
      • Tabler Icons - 4000+ Open source free SVG icons. Highly customizable. No attribution required. For commercial use.
      • Icônes - Over 150,000 open source vector icons.

    • APIs

      • FillText - Generate JSON datasets for testing or demonstration purposes
      • Zippopotamus - Zipcode to Geo

    • Proxy as a Service

      • CORS Anywhere - Proxies any HTTP request through a CORS enabled environment.

    • Responsiveness

    • Validation &amp; Parsers

      • numverify - Validate phone numbers from over 200 countries.
      • CSP Evaluator - Evaluate CSP rules
      • Ada URL Parser - WHATWG-compliant and fast URL parser written in modern C++, online.

  • Security

  • The Outside World

  • Notable Mentions

Programming Languages
JavaScript 4 TypeScript 1
Categories
Tools 38 Resources 28 Web-based Services 20 Web-based Tools 17 Security 7 Bookmarklets 6 The Outside World 3 Notable Mentions 2 License 2
Sub Categories
Transformation 9 Playgrounds 9 Glyphs &amp; Icons 8 Diagramming &amp; Scratch 8 Image 7 Debugging &amp; Development 6 Test 6 Copy/Paste Scripts &amp; Styles 6 Debug JavaScript 6 Swag 5 Deobfuscation &amp; Transformation 5 Regex 4 SSL 3 Generators 3 File Sharing 3 CDN 3 Documentation 3 Presentation 3 Validation &amp; Parsers 3 APIs 2 Postman Alternatives 2 Diffing 2 Compatability 2 CSS Inliners 2 Easings & Animations 1 Proxy as a Service 1 Document &amp; Editors 1 Cheat Sheets 1 Responsiveness 1 Browser Information 1 Performance 1
Keywords
text-diff 1 patch 1 jsondiffpatch 1 json 1 diffing 1 diff 1 delta 1 scraping 1