Text Compare
Compare two texts and highlight the differences line by line.
🔒 100% private — your files are processed locally and never leave your device.
When two versions of something look almost identical, finding what actually changed by eye is slow and unreliable. The Text Compare tool puts two versions side by side and highlights the added and removed lines for you, so the differences jump out immediately — perfect for reviewing edits, configs, or any text that has been revised.
How to use the Text Compare tool
- Paste the original text on the left.
- Paste the changed text on the right.
- Click Compare.
- Review the colour-highlighted differences.
Where comparison saves time
Comparing versions is a daily need for writers, editors, developers and anyone who collaborates. Spot exactly which lines a colleague changed in a document, see what is different between two configuration files, confirm whether a copied passage matches the source, or verify that a corrected version really fixed only what it should have. Rather than re-reading both versions in full, you simply read the highlighted changes.
Tips for clear comparisons
- Comparison is line by line, so a change anywhere in a line marks the whole line.
- Green means added, red means removed — unchanged lines stay plain.
- Clean up both texts first (consistent line breaks) for the tidiest diff.
- Use it to audit copy-paste, confirming two passages truly match.
The comparison runs entirely in your browser, so both versions of your text stay private.
Quick reference
| Marker | Meaning |
|---|---|
| Green | Line added |
| Red | Line removed |
| Plain | Unchanged |
| Granularity | Line level |
| Processing | Local |