Free online utility · Gentooly
Compare two texts and see the differences
Paste an original and a changed version to see which lines were added, removed or modified.
Use the interactive tool to complete your task. Core utilities are free to use. AI Studio, our separate AI product, is coming soon.
Use Diff Checker →How to use this tool
- Open the Diff Checker.
- Paste the original text on one side and the changed text on the other.
- Review the highlighted differences.
Common questions
What does a diff show?
It highlights lines that differ between the two texts so you can review changes quickly.
Can I compare code?
Yes. Any plain text, including code, can be compared.
Is my text uploaded?
The tool is designed to run in your browser. Check the tool interface and privacy notice for the current processing behaviour.