Test · Developer

Diff Checker

Find differences between two text files with unified or split views — like GitHub.

+4 · 1 · 5 unchanged

11# ToolsWeb
22
33Private browser tools.
44
55## Status
6Draft
6Live
7
8## Diff
9GitHub-style compare

How to use

  1. Paste or load the original file on the left.
  2. Paste or load the modified file on the right.
  3. Switch Unified / Split view and copy a unified patch if needed.

Features

  • Two-file compare
  • Unified and split views with line numbers
  • Load text files; copy unified patch
  • Runs in your browser. Inputs are not uploaded to ToolsWeb servers.

Privacy & how it works

This developer utility runs in your browser with JavaScript and Web APIs. Your text, tokens, and secrets are not uploaded to ToolsWeb servers for this tool. Privacy Policy.

FAQ

Can I compare more than two files?expand_more

This tool compares one original and one modified file at a time. Run it again for another pair.

Is this a binary git diff?expand_more

No. It is a line-based text diff (LCS), similar to reviewing text in a GitHub PR. Binary files are not supported.

Is this tool free?expand_more

Yes. No signup and no paywall for core use.

Is my text uploaded?expand_more

No for this tool. Text stays in your browser while you work.

Do I need an account?expand_more

No. Open the page and start typing or pasting.