Text Diff client-side
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How to use Text Diff

The text diff tool highlights the differences between two versions of the same content. Paste the old version on the left and the new one on the right to instantly see which lines were added, removed or changed. It is very useful for reviewing contracts, comparing two article drafts, checking code changes or finding what changed between two configuration files. Color highlighting makes every difference immediately visible. The comparison runs entirely in your browser. Your two texts are never sent to a server, which protects your confidential documents.

Compare two texts and visualize the differences.

TextComparisonDiff

How to use Text Diff

The text diff tool highlights the differences between two versions of the same content. Paste the old version on the left and the new one on the right to instantly see which lines were added, removed or changed. It is very useful for reviewing contracts, comparing two article drafts, checking code changes or finding what changed between two configuration files. Color highlighting makes every difference immediately visible. The comparison runs entirely in your browser. Your two texts are never sent to a server, which protects your confidential documents.

Frequently asked questions

How are differences displayed?

Additions and removals are highlighted in color, so you can quickly spot what changed between the two versions.

Can I compare source code?

Yes, the tool works with any plain text, including code, JSON or configuration files.

Is the comparison done line by line?

The comparison detects added, removed or changed lines to clearly show how the two texts evolved.

Are my texts sent online?

No, the whole comparison happens in your browser. No content is transmitted to a server.