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Text Diff

Compare two blocks of text line by line.

Runs locally in your browser. Your data is never uploaded.

What is the Text Diff?

Compare two blocks of text line by line. The Text Diff is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other Text tools on DevNibble such as Case Converter, Sort Lines, Remove Duplicate Lines.

How to use the Text Diff

  1. Paste or type your input.
  2. The result appears instantly.
  3. Copy or download it.

Features

  • Runs 100% in your browser — your data is never uploaded or stored.
  • Free forever, with no account, no ads and no tracking.
  • Copy or download your result in one click.
  • Fast and responsive on desktop, tablet and mobile.

Frequently asked questions

Is the Text Diff free to use?

Yes — Text Diff is completely free with no sign-up, no ads and no limit on how many times you can use it.

Is my data private when I use the Text Diff?

Everything happens locally in your browser. Your input is never sent to a server, which makes Text Diff safe to use with private or sensitive data.

How do I use the Text Diff?

Enter or paste your text and the result appears instantly. Copy or download it whenever you're ready.

Do I need to install anything to use the Text Diff?

No installation and no account required — Text Diff runs entirely in your web browser on desktop and mobile. Compare two blocks of text line by line.