Code & IDE Tools
Everything you need to write better code — formatters, diff checkers, regex testers, and more. All free, all in your browser.
📄 Diff Checker
Compare text, code, and JSON side by side. Syntax highlighting for 20+ languages. Perfect for code review and merge conflict resolution.
🔍 Regex Tester
Test regular expressions with real-time highlighting and match groups. Supports PCRE, JavaScript, and Python flavors.
🆔 UUID Generator
Generate UUID v1, v4, and v7 identifiers. Bulk generation up to 100 UUIDs at once, with copy and download options.
🏷️ HTML Entity Encoder
Convert special characters to HTML entities and back. Essential for escaping user input in web apps.
🖥️ VS Code
Free, open-source code editor from Microsoft. Extensions for every language, built-in Git, and IntelliSense.
✍️ Neovim
Hyperextensible Vim-based text editor. Modern plugin architecture with Lua support and built-in LSP client.
🌐 WebStorm
Smart JavaScript IDE by JetBrains. Advanced code completion, refactoring, and debugging for frontend and Node.js.
✨ Prettier
Opinionated code formatter for JavaScript, TypeScript, CSS, HTML, GraphQL, and more. Integrates with every editor.
🔎 ESLint
Static analysis tool for JavaScript and TypeScript. Find and fix problems in your code before they reach production.
📝 GitHub Gist
Instantly share code snippets, notes, and logs. Version-controlled, embeddable, and supports every language.
🖼️ Carbon
Create beautiful images of your source code. 30+ themes, export as PNG/SVG. Perfect for presentations and social media.
✏️ CodePen
Online code editor and playground for HTML, CSS, and JavaScript. Build, test, and showcase frontend work instantly.
🔄 Replit
Collaborative browser-based IDE with 50+ languages. Instant deployment, AI-powered coding, and multiplayer editing.
⚡ StackBlitz
Instant full-stack web IDE powered by WebContainers. Runs Node.js natively in the browser — no remote VMs.
🧰 DevToys
Swiss Army knife for developers — JSON/YAML converter, JWT debugger, hash generator, regex tester, and 30+ utilities.