Text Diff Checker Tool

Compare two texts and highlight differences instantly. Perfect for comparing code changes, document revisions, and content updates with character or line-level precision.

Comparison Options:

How to Use the Text Diff Checker

Step-by-Step Guide

  1. Paste or type your original text in the left text area
  2. Paste or type your modified text in the right text area
  3. Choose your comparison options:
    • Word Level: Compare word by word (default)
    • Character Level: Compare character by character
    • Line Level: Compare line by line for better readability
    • View Mode: Switch between inline and side-by-side views
    • Auto Compare: Enable real-time comparison as you type
  4. Click "Compare Texts" if auto-compare is disabled
  5. Review the highlighted differences in the results section
  6. Copy the diff result using the "Copy Diff" button

💡 Pro Tips

  • Use character-level comparison for small text changes
  • Use word-level comparison for word by word changes
  • Use line-level comparison for code or structured documents
  • Side-by-side view is better for reviewing large changes
  • Green highlighting shows additions, red shows deletions
  • Use the swap button to quickly reverse the comparison

Text Comparison Examples

Word-Level Diff

Original:
Hello World!
Modified:
Hi Universe!
Result:
Hello Hi WorldUniverse!

Line-Level Diff

Original:
Line 1 Line 2 Line 3
Modified:
Line 1 Line 2 Modified Line 4