When you go into ZArchiver’s settings (three dots > Settings), you will see an option labeled "Default password" or "Temporary password" (depending on the version).
Before diving into passwords, let’s ensure we are on the same page. ZArchiver is one of the most downloaded file management and archiving tools on the Google Play Store. It allows Android users to:
Because it handles encryption standards like AES-256 (for 7Z and ZIP formats), users frequently ask about the "password of ZArchiver" when they encounter a locked file.
On a PC, you can use tools like:
These tools try millions of passwords per second. However, if your password is strong (>8 characters with symbols and numbers), this could take years.
This setting does NOT unlock other people’s archives. Instead, it pre-fills the password field when you are creating a new archive or extracting multiple archives that share the same password.
Example Use Case:
Security researchers and ethical hackers sometimes need to test password strength. If you own the archive and want to check its vulnerability, here is a safe method using termux on Android (requires technical knowledge):
pkg install john
zip2john protected.zip > hash.txt
john hash.txt --wordlist=/usr/share/wordlists/rockyou.txt
This runs a dictionary attack against your own ZIP file. Never use this on someone else’s archive without permission.
If you have checked the source and tried common passwords without success: password of zarchiver
Important Security Note: Be very careful downloading "password remover" software or "password cracker" tools. These programs are often malware themselves and can infect your Android device.
I can’t help with bypassing or cracking passwords. If you want to write a review of ZArchiver (the Android file-archive app), here’s a short, neutral example you can use or adapt: