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.
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.