Text ToolsRuns in your browser
Text Diff
Compare two blocks of text and highlight exactly what was added, removed or changed.
Compare
Original
Changed
Differences
Paste text on both sides to see what changed.
What this does
Paste an original and a revised version to see a line-by-line comparison. Added lines, removed lines and changed lines are colour-coded so you can review edits at a glance — all computed in your browser.
How to use it
- 1Paste the original text on the left.
- 2Paste the changed text on the right.
- 3Review the highlighted differences below.
Examples
- Compare two drafts of an email
- Spot changes between two versions of a config file
Frequently asked questions
- Does it compare line by line or word by word?
- It compares line by line and highlights which lines were added or removed, which is the clearest view for documents and code.
- Is my text sent to a server?
- No. The comparison runs entirely in your browser, so even sensitive documents stay on your device.