1+ free tools, no signup needed

Developer Tools That Just Work

Format JSON, run SQL queries, write Java, format Python — all free, all instant, all in your browser.

All 📋 JSON 1 💻 Code 5 📝 Text 4 ⚡ Generator 8 📄 Diff Checker 1 🐍 Python 2
🔬

Diff Checker

Compare two blocks of text or code side-by-side. See additions, removals, and changes highlighted instantly — free, private, in your browser.

Diff Checker 98 uses