Modern crackers use the Graphics Processing Unit (GPU) instead of the CPU.
A quick search for "7z cracker online" returns dozens of results. Let us examine what they actually do. 7z cracker
A typical 7z cracking workflow using :
When a "7z cracker" attempts to guess a password, it must repeat that million-iteration process for every single guess . A fast GPU that can test 1 billion NTLM hashes per second might only test 500 to 2,000 7z passwords per second. Modern crackers use the Graphics Processing Unit (GPU)