Diff Viewer

Compare two texts and see differences.

Runs entirely in your browserNo file uploadsPrivacy-first
TL;DR

Paste two texts to compare them. Differences are highlighted line-by-line. Works offline.

Was this tool helpful?

What is Diff Viewer?

Diff Viewer compares two text inputs and highlights additions, deletions, and changes between them.

When Should You Use This Tool?

Use when comparing code versions, documents, or any text that may have changed.

How to Use Diff Viewer

  1. 1Paste original text on the left.
  2. 2Paste modified text on the right.
  3. 3See highlighted differences.

How Does This Tool Work?

Uses a diff algorithm to find the longest common subsequence and highlight changes.

Privacy Note: Runs entirely in your browser. Your data never leaves your device. No file uploads to any server.

Common Use Cases

Developers

Compare code changes.

Writers

Track document revisions.

Frequently Asked Questions

Related Tools