Text Diff Checker

Compare two texts side by side and highlight every difference instantly.

Original text:

Modified text:

How to use

Paste the original text on the left and the modified text on the right, then click Compare. Differences are highlighted line by line.

Is my text uploaded anywhere?

No. The comparison runs entirely in your browser.

What differences are shown?

Added, removed and changed lines are highlighted with colors.

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Every tool runs 100% in your browser — no uploads, no signups. If a tool saved you time, consider supporting us with a small donation.