FreeFileSync Forum

Oops, apologies.

I wonder if a hash like BLAKE3 is used for content comparison. While still slower than file date and size, BLAKE3 is definitely faster than, for example, the various flavors of SHA.

Does the content comparison use hashes, something like SHA256 or MD5, or does it do an actual bit by bit comparison? Was wondering, and if hashes are used, then can you configure which hashing algorithm to use. Blake3, for example, tends to be much faster when compared to something like SHA256 or ...