Diffto

Spot every change instantly. Paste two texts, hit Compare — and see exactly what changed, line by line.

Instant Results

Differences appear the moment you click Compare. No waiting, no page loads.

Side-by-Side View

Original and modified text displayed in parallel so you never lose context.

Version History

Every comparison you save is stored and accessible from the History panel.

20 Languages

Interface available in English, German, Japanese, French, Arabic, and 15 more languages.

How it works

  1. 1

    Paste your texts

    Paste the original content into the left panel and the new version into the right panel.

  2. 2

    Click Compare

    Hit the Compare button and Diffto highlights every addition, deletion, and modification.

  3. 3

    Review changes

    Browse the diff line by line, save it for later, or share the result with your team.