While bitcoin2john.py works for Hashcat, some users prefer tools specifically optimized for Hashcat’s formatting requirements.
There are browser-based tools that allow you to upload a wallet.dat file to extract the hash locally using JavaScript. extract hash from walletdat top
The hash itself does not contain your private keys, but it is what a hacker needs to crack your password. Keep your extracted hash just as secure as the wallet file itself. What’s Next? While bitcoin2john
For the technically inclined, you can use a hex editor to find the encrypted master key directly. While bitcoin2john.py works for Hashcat
You can find bitcoin2john.py in the official John the Ripper GitHub repository (usually under the run or extra folders).