Compare Text

Paste two versions of a text to see what changed, with changed words highlighted. Works for documents, code, lists and JSON.

Your text is never uploaded

Original

Changed

Hide unchangedIgnore caseIgnore spacingCompare as JSON

Differences

Paste the original text on the left and the changed text on the right.

Ctrl+F search · Ctrl+↵ copy result · Esc then Tab leaves the editor

How it works

Paste the original on the left and the changed version on the right, or open a file on each side.
Differences appear straight away: removed lines in red, added lines in green, and changed words highlighted inside each line.
Switch between Side by side and Inline, ignore case or spacing, and download the changes as a .diff file.

Frequently asked questions

4 answers

Is my text uploaded or saved?

No. The comparison runs in your browser. There are no share links and nothing is stored; closing the tab clears both texts.

What does a .diff file contain?

A unified diff: the changed lines with three lines of context, in the format used by Git and patch tools. Apps like VS Code show it with colours.

Can I compare Word or PDF documents?

Copy the text from each document and paste it here. For a scanned PDF, use Extract Text first and send the text here.

Why is a whole line highlighted instead of single words?

When most of a line changed, highlighting every word is harder to read than marking the whole line, so the line is shown as removed and added.

Guides, common conversions and useful next steps.

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