Diff Checker
Compare two blocks of text and see line-by-line differences highlighted.
What Is This Tool?
Compare two blocks of text and instantly see what was added, removed, or left unchanged, highlighted line by line. Everything runs locally in your browser, nothing is uploaded anywhere.
How to Use
- Paste the original text into the left textarea.
- Paste the changed text into the right textarea.
- The highlighted diff appears automatically below as you type.
Common Use Cases
- Comparing two drafts of an article or document
- Spotting changes between two versions of a config file or code snippet
- Reviewing edits before merging or publishing content
Tips & Tricks
- Green highlights are additions, red highlights (struck through) are removals.
- Works with any plain text, not just code.
Compare two blocks of text and instantly see line-by-line differences highlighted. Free, fast, and processed entirely in your browser.
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