Text Diff Tool

Features

Text Diff Tool is a simple and easy-to-use online tool that helps you quickly compare the differences between two text files, highlighting added, deleted, and modified lines. Perfect for programmers and writers to compare text. No login required, runs entirely in your local browser, your data will not be uploaded to any server.

Main Functions

1. Text Comparison

Quickly compare differences between two texts

2. Difference Highlighting

Use different colors to highlight added, deleted, and modified content

3. Line-by-line Comparison

Clear line numbers for easy location

4. Side-by-side View

Split display for easy comparison

How to Use

1. Enter the first text on the left
2. Enter the second text on the right
3. Click the "Compare" button
4. The difference comparison result will be displayed in the middle or right
5. Green indicates added, red indicates deleted

Examples

Basic Example:

Left (Original):

Line 1
Line 2
Line 3
Line 4

Right (Modified):

Line 1
Line 2 (new content)
Line 3
Line 5 (added)

Difference Result:

• Line 2: Modified (Red→Green)
• Line 4: Deleted (Red)
• Line 5: Added (Green)

Features

• Completely free, no registration required
• Processed in local browser, data secure
• Clear difference highlighting
• Line numbers for easy location
• One-click copy results
• Real-time comparison preview