Text Diff Checker
Paste two texts and instantly see what changed — additions highlighted in green, removals in red. Switch between split and unified views. Your text never leaves your device.
View:
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Frequently Asked Questions
- Is the Text Diff Checker free?
- Yes, 100% free. No account, no limits, no watermarks.
- Are my texts safe and private?
- All comparison runs entirely in your browser. Nothing is uploaded to any server — your text stays on your device.
- What is the difference between split view and unified view?
- Split view shows the original and modified texts side by side with highlighted differences. Unified view shows a single column with additions prefixed by + and removals prefixed by -, similar to a git diff output.
- Can I use this to compare code or configuration files?
- Yes. The diff checker works with any plain text including source code, JSON, YAML, configuration files, or prose. It compares line by line and highlights exactly what changed.
- Does it work on mobile?
- Yes, it works on all modern browsers including mobile Safari and Chrome on iOS and Android.