Text Diff

Compare two texts side by side and highlight differences. Find additions, deletions, and changes instantly online for free.

Original Text
Modified Text
0 Added
0 Removed
0 Unchanged

No differences found

How It Works

  1. Paste or type your original text into the left input field.
  2. Paste or type the modified text into the right input field.
  3. Click the 'Compare' button to run the diff analysis.
  4. Review the highlighted differences — additions appear in green, deletions in red.
  5. Copy or save the result for your records.

Example

Input: Text 1: 'Welcome to our website. We offer great products.' Text 2: 'Welcome to our online store. We offer great products and services.'
Result: Difference 1: 'website' → 'online store' (change) Difference 2: ' and services' added at the end of the second sentence

FAQ

Yes, completely. All processing happens client-side in your browser. No data is ever sent to any server, so your texts remain entirely private.

The tool supports comparing long texts, but for very large files performance may depend on your browser's capabilities.

Yes, the tool works with any plain text including programming code, JSON, XML, HTML, and more.

Added sections are shown in green, deleted sections in red, and unchanged parts remain in their default color.

Yes, it is completely free and requires no registration or login.