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📊 Text Comparison

A tool that visually compares two texts line by line, showing additions, deletions, and unchanged content.

📝 Text 1 (Original)

📝 Text 2 (Modified)

📊 Comparison Statistics

Added Lines0
Removed Lines0
Unchanged Lines0

✨ Comparison Result

Enter text in both fields to see the comparison.

Compare two texts line by line. Green lines are added, red lines are removed, and white lines are unchanged.

Key Features​

1. Line-by-Line Comparison​

  • Compare two texts line by line
  • Added lines are highlighted in green
  • Deleted lines are highlighted in red
  • Unchanged lines are shown in gray

2. Statistics​

  • Added Lines: Number of newly added lines
  • Deleted Lines: Number of removed lines
  • Unchanged Lines: Number of lines that remained the same

3. Convenient Features​

  • Swap Text: Quickly switch the positions of original and modified text
  • Clear: Clear all inputs at once

Usage Examples​

For Developers​

// Original code
function hello() {
  console.log("Hello");
}

// Modified code
function hello(name) {
  console.log("Hello, " + name);
}

Document Editing​

// Original document
Project Plan
1. Goal Setting
2. Schedule Planning

// Modified document
Project Plan (ver 2.0)
1. Goal Setting
2. Budget Planning
3. Schedule Planning

Use Cases​

💻 Code Review​

  • Review Pull Request changes
  • Compare code differences between versions
  • Compare before and after refactoring

📝 Document Work​

  • Review contract modifications
  • Compare report versions
  • Compare before and after translation

✅ Data Verification​

  • Compare CSV/JSON data
  • Check configuration file changes
  • Analyze log file differences

Tips​

Efficient Comparison​

  • Organize by Line: Organizing the text you want to compare by line will give you clearer results
  • Watch for Whitespace: Whitespace differences are also recognized as different lines, so be careful
  • Use Swap Feature: Use the swap button when you want to change the comparison direction

Large Text​

  • Very long text may affect performance
  • We recommend trimming to only the necessary parts for comparison

FAQ​

Q: Can I compare large files? A: Since it runs in the browser, large files with thousands of lines may experience performance degradation. Please trim to only the necessary parts.

Q: Do you support word-level comparison? A: Currently, only line-level comparison is supported. We plan to add word/character-level comparison in future updates.

Q: Can I save the comparison results? A: Currently, it only works in the browser, and you can save the displayed results through screenshots or copying.