Text Diff Checker

Compare two text blocks and highlight the differences between them with advanced diff algorithms

Diff Options

Display Mode

Comparison Options

Try Example Comparisons

Original Text

0 words0 characters1 lines

Modified Text

0 words0 characters1 lines
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No Text to Compare

Enter text in both input areas to see the differences

Diff View Types Reference

Side by Side
Compare texts in parallel columns
Original | Modified
Unified View
Single column with +/- indicators
-old line +new line
Inline Diff
Character-level highlighting within lines
word changes highlighted
Case Sensitive
Considers letter case in comparison
Hello ≠ hello
Ignore Whitespace
Ignores spaces and tabs in comparison
text = text
Statistics
Shows added, removed, and unchanged counts
+5 -3 =10 lines

Diff Features

Line-by-line comparison
Side-by-side and unified views
Case-sensitive/insensitive comparison
Whitespace ignore option
Visual diff highlighting
Export diff results
Real-time comparison
Copy diff output

About Text Diff Checker Tool

Our Text Diff Checker is a powerful online tool for comparing two text documents and highlighting their differences. Perfect for developers, writers, editors, and anyone who needs to track changes between document versions or compare code files.

The tool uses advanced diff algorithms to provide accurate line-by-line and character-level comparisons, making it easy to spot additions, deletions, and modifications between text versions. Whether you're reviewing code changes, comparing document drafts, or analyzing text modifications, our diff checker provides clear visual feedback.

Key Features:

  • Side-by-Side View: Compare texts in parallel columns for easy visualization
  • Unified Diff View: Single-column view with +/- indicators for changes
  • Case Sensitivity Options: Toggle case-sensitive or insensitive comparison
  • Whitespace Handling: Option to ignore whitespace differences
  • Real-time Comparison: Instant updates as you type or paste content
  • Statistics Display: Shows counts of added, removed, and unchanged lines
  • Visual Highlighting: Clear color coding for different types of changes

Common Use Cases:

  • Code review and version comparison for software development
  • Document revision tracking and content comparison
  • Configuration file changes analysis
  • Academic paper revision comparison
  • Legal document change detection
  • Website content updates verification
  • Data file comparison and analysis