Text Diff Checker
Compare two texts side by side and see the differences highlighted.
Runs entirely in your browser
0 added
0 removed
0 unchanged
Compare two texts side by side and see the differences highlighted.
Compare any two texts and instantly see what changed.
Enter the original text on the left and the modified text on the right.
The diff engine analyzes both texts line by line to find all differences.
Added lines are highlighted green, removed lines red, and unchanged lines are neutral.
Your text never leaves your browser. All comparison happens locally on your device.
See exactly which lines were added, removed, or left unchanged with color-coded output.
Get a quick summary of how many lines were added, removed, or stayed the same.
Just open the page and start comparing. No sign-ups or logins required.