Development Tools

Free development tools — code editors, playgrounds, and debugging utilities.

• AI Code Explainer — Get instant, plain-English explanations for any code. Supports all languages, free forever, no sign-up or installation required.
• AI Regex Generator — Generate regular expressions instantly from plain English. Free, no sign-up needed. Get explanations, examples, and test your regex directly in your browser.
• Base64 Encoder & Decoder — Encode or decode text and files to Base64 with our free, browser-based tool. Supports URL-safe and UTF-8. Your data stays private.
• Binary Converter — Convert binary, octal, decimal, hex, and text to binary instantly. Free, private, and no sign-up required. Your data stays on your device.
• CodePen — CodePen is a free browser-based code playground for HTML, CSS, and JavaScript. Write, test, and share front-end code.
• GitHub — GitHub offers free unlimited repositories, Git version control, CI/CD, and collaboration for developers.
• JSON Formatter & Validator — Format, beautify, minify, and validate JSON online for free. Pinpoint errors with line & column. Secure, client-side processing, no sign-up needed.
• Regex101 — Build, test, and debug regular expressions online. Supports JavaScript, Python, PHP, and more. Free regex tool.
• VS Code Web — VS Code in your browser. Full-featured code editor, extensions, and GitHub integration. No installation needed.