Text Diff Checker Online

What is the Text Diff Checker?

Whether you’re reviewing a document’s revisions, comparing configuration files, or trying to figure out what changed in a snippet of text, eyeballing the differences is a recipe for missed details.

The Text Diff Checker instantly compares two blocks of text and highlights exactly what has been added or removed. It color-codes the output to make reading revisions effortless.

How it works

1. Paste your original text into the Original Text panel.
2. Paste your modified text into the Changed Text panel.
3. Use the toggle buttons at the top to change the comparison mode:
   • Chars: Identifies single-character modifications.
   • Words: Highlights changes word-by-word, great for prose.
   • Lines: Compares text line-by-line, ideal for code or logs.
4. The Differences panel instantly displays a unified view highlighting exactly what changed.