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File Compare

Check whether two files are exactly the same — and where they differ.

  • Free
  • No sign-up
  • Files stay on your device

or drag and drop it here

or drag and drop it here

Your files are processed entirely in your browser using built-in web technologies. They are not uploaded to our servers, and closing the page clears them from memory.

How to use the File Compare

  1. Choose file A and file B.
  2. See instantly whether they're identical.
  3. For different files, check the first differing bytes — or the line-by-line diff for text.

What does this tool do?

Useful for checking a download against an original, confirming a backup copied correctly, or seeing what changed between two versions of a config file. Identical files have identical SHA-256 hashes.

Files are read on your device and never uploaded.

Why use it?

  • Byte-for-byte check.
  • Hex view of the first difference.
  • Line diff for text files.

Privacy

Your files are processed entirely in your browser using built-in web technologies. They are not uploaded to our servers, and closing the page clears them from memory. There's no account to create and nothing to install.

Last reviewed by the M2Toolkit team.

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