Text Diff Checker
Compare two blocks of text and see added, removed and unchanged lines highlighted side by side. Great for checking edits between document versions, contracts or code snippets.
How to use the Text Diff Checker
- 1
Open the tool above — it is already running, no install or account needed.
- 2
Enter your input and adjust the options to match what you need.
- 3
Copy or download the result — everything was processed locally in your browser.
Private by design
This tool runs 100% inside your own browser using local JavaScript — your input never touches a server. That makes it instant, offline-capable in many cases, and private even for sensitive data.
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