You open a web page. The page loads a script. You select your Zip file and a wordlist. The script runs entirely in your browser using WebAssembly or JavaScript.
Use a free tool like 7-Zip to check. Open the Zip. If it says "AES-256" in the encryption field, prepare for a long wait. If it says "ZipCrypto," you have hope.
Disclaimer: These tools should only be used to recover passwords for files that you legally own.
This article explores how to safely recover your ZIP file passwords, evaluating online services, methods for handling security, and tips for creating stronger, memorable passwords in the future. What is ZIP File Password Recovery?
If you're interested, I can of these different tools for you. Let me know!