Two versions of an article, contract clause or code snippet can look the same at a glance. A diff checker highlights the exact words that changed.
Try it now: Text Diff Checker
Free, no sign up, and the file stays on your device.
Open Text Diff CheckerHow to compare
- Open Text Diff Checker.
- Paste the original text on one side and the new text on the other.
- Read the highlights: additions and removals are marked.
Where it helps
- Reviewing edits from an editor or colleague.
- Checking a changed price or date in a revised document.
- Comparing two versions of code or settings.
- Spotting small typing differences.
Tips
- Put the older text on the left.
- Clean extra spaces first if you only care about words.
- For PDF files, use Compare PDF.
Frequently asked questions
Is my text uploaded?
No. Everything happens in your browser, so your text never leaves your device.
Ready to start?
Open Text Diff Checker