Text Diff Checker
Text & writing · Done in 3 steps
- 1Paste both versions
- 2
- 3
About
Compare two texts side by side or inline and highlight added, removed and changed lines, words or characters.
How to use it
- 1Paste the original text on the left and the changed version on the right.
- 2Choose line, word or character comparison.
- 3Switch between side-by-side and inline views.
- 4Read the added/removed totals at the top.
- You give
- Two versions of any text, code or document
- You get
- A colour-coded diff with line numbers and change counts
- Good to know
- Very large, very different inputs may be refused after a few seconds to keep the page responsive; try line mode or a smaller excerpt. Formatting such as bold is not compared, only the text.
- Privacy
- Processed on your device. Nothing is uploaded, stored or logged.
- Last tested
- 2026-10-28
FAQ
Which mode should I use?
Lines for code and lists, words for prose edits, and characters to catch typos or single-letter changes.
Is my text uploaded for comparison?
No. The diff runs in your browser, so it is safe for contracts, drafts and code.
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