.bsdiff Binary differences between files

Other formats

MIME typeapplication/x-bsdiff
DescriptionBinary differences between files
CategoryOther formats
Signature (magic bytes)42 53 44 49 46 46 34 30 (BSDIFF40)
42 53 44 49 46 4E 34 30 (BSDIFN40)

Frequently asked questions

What is a .bsdiff file?

A .bsdiff file is a “Binary differences between files” (MIME type application/x-bsdiff).

How do I open a .bsdiff file?

With the program that created the file. On Linux, xdg-mime query default with the MIME type shows the default application, and xdg-open opens the file with it.

How can you tell a genuine .bsdiff file?

By the bytes at the start of the file, the signature (magic bytes): 42 53 44 49 46 46 34 30 (BSDIFF40) and 42 53 44 49 46 4E 34 30 (BSDIFN40). On Linux and macOS, file --mime-type example.bsdiff checks the real type regardless of the extension.

Which MIME type belongs to .bsdiff?

The MIME type is application/x-bsdiff. In the Apache web server: AddType application/x-bsdiff .bsdiff; in nginx: types { application/x-bsdiff bsdiff; }.

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