TinyToolHub
Text Diff Checker
Compare two texts side by side and see the differences. Perfect for code review, document comparison, and content analysis with highlighted changes.
Enter text to see differences
Our free text diff checker tool allows you to compare two texts side by side and identify all differences. Perfect for code review, document comparison, content analysis, and tracking changes between different versions of text.
Key Features:
- Side-by-side comparison: View original and modified text simultaneously
- Highlighted differences: Added, removed, and modified lines are color-coded
- Flexible options: Ignore whitespace, case sensitivity, and line numbers
- Detailed statistics: See counts of added, removed, and modified lines
- Copy diff results: Export comparison results in standard diff format
- Real-time comparison: Results update automatically as you type
- Swap functionality: Easily switch original and modified texts
Common Use Cases:
- Code review and version comparison
- Document editing and proofreading
- Content management and revision tracking
- Legal document comparison
- Academic paper revision analysis
- Configuration file changes
- Translation and localization review
- Data migration verification
Understanding the Results:
- Green lines (Added): Content that exists in the modified text but not in the original
- Red lines (Removed): Content that exists in the original text but not in the modified
- Yellow lines (Modified): Lines that have been changed between versions
- White lines (Unchanged): Content that is identical in both texts
How accurate is the diff comparison?
Our diff checker uses a line-by-line comparison algorithm that accurately identifies additions, deletions, and modifications. It's designed to handle most text comparison scenarios effectively, though very complex changes might be simplified.
What does "ignore whitespace" do?
When enabled, the tool ignores leading and trailing spaces and tabs when comparing lines. This is useful when formatting differences aren't important, such as when comparing code with different indentation styles.
Can I compare very large texts?
The tool can handle moderately large texts, but very large files (over 10,000 lines) may cause performance issues in your browser. For best performance, consider comparing smaller sections or using dedicated desktop tools for massive files.
What format is used when copying diff results?
The copied diff uses a simple format with prefixes: "+" for added lines, "-" for removed lines, "~" for modified lines, and two spaces for unchanged lines. This format is readable and compatible with many diff viewers.
Is my text data secure when using this tool?
Yes, all text comparison happens entirely in your browser using JavaScript. Your text is never sent to our servers or stored anywhere. The tool works completely offline once the page is loaded.