b3sum

Command line utility for calculating BLAKE3 hashes.

Calculate the BLAKE3 checksum for a file

$ b3sum [path/to/file]

Calculate BLAKE3 checksums for multiple files

$ b3sum [path/to/file1] [path/to/file2]

Calculate the BLAKE3 checksum from stdin

$ [some_command] | b3sum

Create a file of BLAKE3 checksums

$ b3sum [path/to/file] > [path/to/file.b3]

Read and verify a file of BLAKE3 checksums

$ b3sum --check [path/to/file.b3]