Text Diff
Compare two blocks of text and highlight the differences line by line. Added lines shown in green, removed lines in red, unchanged lines in neutral. Useful for code review, document editing, and config changes.
Common Use Cases
Use the Text Diff online for these scenarios:
- Code review:: See exactly what changed between two versions
- File version comparison:: Compare Word docs, Markdown, etc.
- Config comparison: Compare production/dev environment config diffs
- Legal contract comparison:: Compare two versions of contract terms
- Learning reference: Compare your work to reference answers, find gaps
Frequently Asked Questions
Here are the most common questions:
Q: Can it compare large files?
A: Yes. Recommended under 1M lines. Slower beyond.
Q: Can it ignore whitespace diffs?
A: Yes, check "Ignore whitespace" for content-only comparison.
Q: What algorithm?
A: Myers diff algorithm (O(ND)), used by git diff.
Related Tutorials
Want to learn more about Text Diff? Check out these tutorials: