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Text Diff Checker
Compare two text versions line by line and highlight additions and removals locally.
Local processing. Text comparison happens locally in this browser tab. Your input is not uploaded, logged, or saved.
This side is treated as the earlier or reference version.
Text comparison runs locally in this browser tab.
Added
0
Removed
0
Unchanged
0
Total changes
0
LeftOriginalRightChanged
Paste two versions of text to see added, removed, and unchanged lines.
How to use Compare Text
- 1Paste the original text on the left.
- 2Paste the changed text on the right.
- 3Review added, removed, and unchanged line counts.
- 4Copy the summary or swap sides when needed.
Frequently asked questions
Does the text diff checker upload my text?
No. The comparison runs locally in your browser tab and the text is not sent to a server.
What kind of differences does it show?
The first release compares text line by line and highlights added, removed, and unchanged lines.
Can I compare code or configuration files?
Yes. Paste both versions into the text boxes to compare code snippets, config values, notes, or drafts.
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