What Is Text Diff Checker
Text Diff Checker compares two text blocks or files and highlights additions, deletions, and modifications. It is useful for code review, document revisions, and version comparison.
Key Features
- Line-level, word-level, and character-level comparison
- Side-by-side highlighted diff view
- Optional ignore-whitespace and ignore-case settings
- Line numbers and difference statistics
- Large-text support and result copy
How to Use
- Paste original text on the left and modified text on the right
- Select comparison mode and options
- Click
Compare - Review highlights and statistics to locate changes
Comparison Modes
- Character level: best for subtle text changes
- Word level: best for natural language comparison
- Line level: best for code and config files
Common Use Cases
- Code review and version checks
- Document revision auditing
- Configuration change troubleshooting
- Before/after translation proofreading
- Merge conflict analysis
Usage Tips
- Use line mode for code comparison
- Enable ignore whitespace for formatting-only changes
- Enable ignore case when matching case-insensitive text
- For very large files, compare in sections for readability