Text Diff
Compare two blocks of text and highlight additions, deletions, and changes.
Original Text
Modified Text
0 added 0 removed 2 changed
Original
The quick brown fox jumps over the lazy dog.
Pack my box with five dozen liquor jugs.
How vexingly quick daft zebras jump!
Modified
The quick red fox leaps over the lazy cat.
Pack my crate with six dozen whiskey jugs.
How vexingly quick daft zebras jump!
Frequently Asked Questions
Is this text diff tool free to use?
Yes, the text diff tool is completely free with no login, watermarks, or usage limits.
Is my text uploaded to a server?
No. The comparison runs entirely in your browser using a local line and word diff algorithm — your text never leaves your device.
What diff view modes are available?
You can compare text side-by-side, as an inline unified diff, or highlight only the changed words within each line.
Can I copy the diff output?
Yes, the 'Copy Diff' button copies a unified diff with +/- markers for added and removed lines to your clipboard.