What does the text diff checker do?
See added, removed, and unchanged lines with a compact change summary you can copy into a review.
Compare two versions of page copy.
See added, removed, and unchanged lines with a compact change summary you can copy into a review.
The earlier text. Comparison is line by line.
The version you want to review.
Result
Updates as you edit the inputs.
- Added lines
- 0
- Removed lines
- 0
- Unchanged lines
- 1
- Change ratio
- 0.0%
Comparison is line-based and limited to the first 400 lines in each version.
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Text diff checker FAQ
Use the Text diff checker with clear assumptions.
How does the text diff checker work?
The tool computes a longest-common-subsequence diff in the browser and never sends either version to a server.
What should I do with the result?
Review substantive claim, metadata, and link changes separately from formatting-only edits.
Is the input sent to an AI model?
The inputs are processed in your browser and are not sent to BeVisible or a language model.