zztool What is a Text Diff Tool?
A text diff tool compares two pieces of text and visually highlights additions, deletions, and modifications. It is commonly used for code review, document version comparison, and contract revision tracking.
Features
✓Line-by-line comparison with precise diff
✓Side-by-side and unified view modes
✓Option to ignore case differences
✓Option to ignore whitespace differences
✓Color coding: green for additions, red for deletions
✓Line numbers for easy navigation
✓Statistics for added, removed, unchanged lines
✓One-click swap between texts
FAQ
What is the difference between side-by-side and unified view?
Side-by-side shows original and modified text in two columns. Unified view merges all changes in one column with +/- markers.
What does ignore whitespace mean?
When enabled, the comparison ignores spaces, tabs, and extra whitespace, comparing only actual content.
Can I compare code?
Yes, this tool works with any plain text including code, config files, and documents.
Last Updated: 2026-06-04✓ Expert Verified
Clean interface, works perfectly.
Saved me hours of manual comparison!
Very helpful for code review.