Text Comparison Tool

Paste two versions of text and instantly see additions, deletions and changes. No upload, no signup — purely local diff.

Compare two text blocks and see differences highlighted line by line. Free online diff tool, runs in your browser. Paste the original on one side and the.

Text Comparison Tool examples

InputOutput
Original vs edited textDifferences highlighted line by line

How the text comparison tool works

  1. Paste the original into the left box and the new version into the right.
  2. Differences are highlighted immediately.
  3. Both texts stay on your device.

Rules and edge cases

  • Paste the original on one side and the revised version on the other to see what changed line by line.
  • Useful for contract redlines, translated copy and two exports of the same list.
  • Nothing leaves your device, so confidential drafts stay private.

Frequently asked questions

How do I compare two versions of a document?

Copy the text out of each document and paste one into each box. Formatting is ignored, so only the wording is compared.

Does it work for code?

Yes for a quick eyeball check. For real code review, a Git diff also shows context and history.