Text Diff Tool: Complete Guide to Online Text Comparison Analysis
Ken
Sep 10, 2025
16 views
about 2 minutes
Use our free text diff tool to quickly compare differences between two texts. Supports line-level and character-level comparison with highlighted additions, deletions, and modifications.
What is Text Diff?
Text diff is the process of analyzing differences between two texts. Through comparison algorithms, it can quickly identify additions, deletions, modifications and other changes in text, widely used in version control, document review, code comparison and other scenarios.
Comparison Features
- Line-level Comparison - Compare text differences line by line
- Character-level Comparison - Precise character-level difference analysis
- Highlight Display - Mark differences with different colors
- Statistics - Show number of added, deleted, modified lines
- Side-by-side Display - Left-right comparison view
- Unified Display - Top-bottom comparison view
Tool Features
- Real-time comparison results
- Multiple display modes
- Large file support
- Copy diff results
- Export comparison reports
- Comparison history
Use Cases
- Code version comparison
- Document revision comparison
- Translation proofreading
- Content review
- Academic paper comparison
- Legal document comparison