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Password Protect ZIP

Set a password on an existing ZIP, or create an encrypted ZIP from your files.

Password Protect ZIP

AES-256 encryption. Files and passwords stay on your device. Filenames remain visible. Use an archive app that supports AES-encrypted ZIPs. Keep your password safe: it cannot be recovered.

Up to 200 files and folders, 100 MB total expanded size. Your original files stay unchanged.

Protect another file

Set a password on a PDF

About ZIP password protection

This tool encrypts file contents with AES-256. ZIP filenames stay visible. Changing an existing archive password requires its current password; unsupported or damaged archives are rejected.

Download the result and check it with an AES-compatible archive app before sharing it. Keep your original files and a safe copy of the password.