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TextArray vs Text Compare!

Updated August 26, 2026

Text Compare! does one job — "compare two pieces of text and spot the differences", highlighting additions, deletions and modifications — and it is free with no sign-up, in ten interface languages.

It is also explicit about how it works: "the text is securely sent to our server over an encrypted connection for comparison, but it is not stored." That is an honest disclosure, and it is the whole difference between the two sites.

Where Text Compare! is strong

  • Single-purpose and immediately obvious — nothing to learn.
  • Free with no sign-up and ten interface languages.
  • Straightforward about the transmission rather than silent on it.

TextArray's text diff runs the comparison in your browser. Nothing is transmitted, encrypted or otherwise, which matters when the two texts are contract drafts, configuration files or anything a customer sent you. It also offers a three-way compare against a common base, word- and character-level granularity, and diffs specialised for JSON, lists and unified patch files.

Where Text Compare! wins is simplicity: one box, one box, one button. TextArray's diff carries more options because it is aimed at the cases where two-column line diffing is not enough.

Official site — Text Compare!

FAQ

Does Text Compare! send my text to a server?
Yes, by its own description: the text is sent over an encrypted connection for comparison and, it says, not stored. TextArray compares locally and sends nothing.
Can TextArray diff JSON or a patch file?
Yes — a structural JSON diff that reports changes by path, a list comparison, and an analyzer for unified diff and .patch files.
Is there a size limit?
TextArray handles inputs up to 10 MB per panel, and warns before an output large enough to make the tab struggle.