Text Diff Tool

Text Diff Tool
Compare two texts
What Is This Text Diff Tool?

This free, browser-based text diff compares two pieces of text and highlights additions and deletions for quick review—no upload required. It’s handy for checking edits to articles, code comments, documentation, and emails.

Related writing tools: Text Converter · Word/Character Counter · Online Markdown Editor.

How to Use (Step-by-Step)
  1. Paste or type the original text into the Left box.
  2. Paste or type the changed text into the Right box.
  3. Click Show Diff. The Diff Output will mark added parts and removed parts.
  4. Copy the output if needed, or tweak the texts and click again to refresh.
Tip: For large paragraphs, run a quick cleanup with Text Converter (remove extra spaces) before diffing for clearer results.