Free Developer Tools
7 free tools — no sign-up, no login, instant results.
💻 developer
JSON Formatter & Validator
Format, validate and minify JSON online
💻 developer
Base64 Encoder / Decoder
Encode and decode Base64 instantly
💻 developer
Regex Tester
Test and debug regular expressions live
💻 developer
URL Encoder / Decoder
Encode and decode URLs and query strings
💻 developer
Markdown Preview
Write Markdown and preview it live in real time
💻 developer
AI Commit Message Generator ✦
Paste a git diff — get a clean, conventional commit message
💻 developer
AI Code Explainer ✦
Paste code, get plain English — no jargon