Diff Checker - Compare Two Texts
Quick Tips
- • Paste original text on the left, modified on the right
- • Green highlights additions, red shows deletions
- • Useful for comparing code changes or document revisions
Compare two texts and highlight the differences.
Additions
Deletions
Unchanged
Examples
Text A: Hello World Text B: Hello Universe
Changed: "World" → "Universe"
Text A: Line 1 Line 2 Text B: Line 1 Line 3 Line 2
Added: "Line 3"
Frequently Asked Questions
We use a variant of the Myers diff algorithm, the same algorithm used by Git and many other diff tools. It finds the minimal set of changes between two texts.
Yes! The diff checker works great for any text including code. Use line-by-line mode for the best code comparison experience.
The tool handles texts up to several megabytes. Very large files may take longer to process but will work. Processing happens in your browser.
Yes, you can copy the results or export them. The highlighted differences make it easy to share comparison results with others.
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