Code Diff & Comparison Tool
Compare source code line-by-line in real time. Side-by-side and unified views, additions and deletions breakdown, syntax presets for JS/TS, Python, HTML, CSS, JSON, SQL, and 100% client-side execution.
- Code
- Text
How to use this tool
Paste or type your original baseline code into the 'Original Code' (Left) pane.
Paste or type your updated code into the 'Modified Code' (Right) pane, or click 'Load Sample Code Diff' to explore.
Switch between Side-by-Side (Split) View and Unified (Inline) View using the view toggle buttons.
Select your language context (TypeScript, JavaScript, Python, HTML, CSS, JSON, SQL) to apply syntax settings.
Review the live diff summary bar showing total additions (+), deletions (-), and unchanged lines.
Click 'Copy Diff Report' to copy a Git-compatible patch or 'Export Patch (.txt)' to download the diff file.
Frequently asked questions
Quick answers about file privacy, processing modes, formats, and device support.
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