🔍
Text Diff Checker
Paste two versions of your text to highlight additions, deletions and changes side by side.
Frequently Asked Questions
This tool compares texts line by line using a longest common subsequence (LCS) approach. Lines that exist in both are shown as unchanged, lines only in the original are shown as removed (red), and lines only in the modified version are shown as added (green).
No. All comparison happens entirely in your browser. Your text is never uploaded or stored anywhere.