Text Compare (Diff)
Compare two texts and highlight every added and removed word or line. Free online diff checker, fully private.
How to use Text Compare (Diff)
- Paste the original text on the left.
- Paste the changed text on the right.
- See additions in green and deletions in red.
Frequently asked questions
Can I compare code?
Yes. Use line mode for code and word mode for prose.
Is there a size limit?
No hard limit, but very large texts may take a moment.
Is Text Compare (Diff) free?
Yes. Text Compare (Diff) is completely free, with no sign-up, no watermark and no usage limits.
Is my data uploaded to a server?
No. Text Compare (Diff) runs entirely in your browser. Your files and text never leave your device.
Does it work offline?
Yes. After Red Cat Tools has loaded once, this tool keeps working without an internet connection. You can also install Red Cat Tools as an app.
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