devcrate / Word & Text / Text Diff Checker
Word & Text
Two texts, one clear diff.
Paste an original and a changed version to see a line-by-line comparison — additions in green, removals in red.
runs entirely in your browser — nothing is uploaded
ad slot · 336x280 in-content
How to use the text diff checker
- Paste the original text on the left and the changed version on the right.
- Click Compare.
- Lines only in the original are shown in red, lines only in the changed version in green, unchanged lines are plain.
Frequently asked questions about the Text Diff Checker
Is my data uploaded anywhere when I use the Text Diff Checker?
No. The Text Diff Checker runs entirely in your browser using JavaScript — nothing you type, paste, or select is sent to any server. You can confirm this yourself by opening your browser's network tab while using it.
Is the Text Diff Checker really free, and do I need an account?
Yes — the Text Diff Checker is completely free, with no account, sign-up, or usage limit.
Does it work on mobile and in any browser?
The Text Diff Checker works in any modern browser — Chrome, Firefox, Safari, or Edge — on desktop or mobile, since it's built with standard HTML, CSS, and JavaScript with no special requirements.