Text Diff Checker
Compare two texts and visualize the differences with highlighting. Supports word-by-word, line-by-line, and character-by-character comparison modes.
Comparison Settings
Original Text
Modified Text
Diff Results
Enter text in both fields to see differences
Legend
+Added content
-Deleted content
Unchanged content
About Text Diff Checker
The Text Diff Checker compares two texts and highlights the differences between them. It supports multiple comparison modes and export formats, making it perfect for reviewing changes, comparing documents, and tracking text modifications.
Comparison Modes:
- Word by Word: Compares texts word by word for detailed analysis
- Line by Line: Compares texts line by line for structural changes
- Character by Character: Compares every character for precise differences
Features:
- Visual Highlighting: Color-coded additions, deletions, and unchanged content
- Multiple Formats: Visual, unified, and side-by-side diff views
- Export Options: Copy to clipboard or download as HTML/text
- Flexible Options: Ignore case, whitespace, and other formatting
- Statistics: Detailed counts of changes and modifications
- Real-time Updates: Instant diff calculation as you type
Use Cases:
- Document Review: Compare different versions of documents
- Code Changes: Review code modifications and updates
- Content Editing: Track changes in articles and blog posts
- Translation Work: Compare original and translated texts
- Legal Documents: Identify changes in contracts and agreements
- Academic Work: Compare drafts and revisions of papers
- Data Analysis: Compare datasets and text files
Export Formats:
- Visual Diff: Interactive color-coded comparison
- Unified Format: Standard diff format with +/- indicators
- Side-by-Side: Two-column comparison view
- HTML Report: Styled HTML document with embedded CSS
Options:
- Ignore Case: Treat uppercase and lowercase as identical
- Ignore Whitespace: Normalize spaces, tabs, and line breaks
- Show Statistics: Display detailed change counts
- Swap Texts: Quickly reverse the comparison direction
Tips:
- Use word-by-word mode for general text comparison
- Use line-by-line mode for structured documents
- Use character-by-character mode for precise analysis
- Enable "Ignore Case" when case differences aren't important
- Enable "Ignore Whitespace" for formatting-agnostic comparison
- Export to HTML for sharing formatted diff reports
Diff Algorithm:
- Uses Longest Common Subsequence (LCS) algorithm
- Optimized for text comparison and readability
- Handles insertions, deletions, and modifications
- Preserves text structure and formatting
- Efficient processing for large text files