Compare two blocks of text or code side-by-side with visual line-by-line diff highlighting — additions in green, deletions in red. Free, instant, browser-based.
🚀 Launch Free Tool →✅ Side-by-side diff view
✅ Inline diff mode
✅ Line-by-line change highlighting
✅ Addition (green) / deletion (red) colors
✅ Works for code, JSON, SQL, text
A diff (difference) is a comparison output showing exactly what changed between two versions of text or code — additions, deletions, and unchanged lines.
Yes. Paste two JSON objects to see exactly which keys were added, removed, or changed. For best results, format both JSONs with the JSON Workbench tool first.
The tool works entirely in your browser with no size limit. Very large files (>1MB) may be slower to diff depending on your device.