# vanityhash > Find your perfect hash ```sh vanityhash 0.2 Evan Schwartz Searches for hashes that match a certain prefix USAGE: vanityhash [FLAGS] [OPTIONS] FLAGS: -h, --help Prints help information --include_both_cases Include upper and lowercase letters --include_symbols Include lookalike characters and numbers -V, --version Prints version information OPTIONS: --preimage_prefix The prefix the hash preimage should start with -t, --threads Number of threads to use [default: 8] ARGS: The prefix the vanity hash should start with ```