Security / FREE PDF TOOL
Protect PDF.
Encrypt a PDF with AES-256 so a password is required to open it. Set and confirm a password of at least 8 characters. Your file is processed on your device.
YOUR WORKSPACEFiles stay on your device
Protect PDF, in a few steps.
- 01Choose a PDF that is not already encrypted.
- 02Enter and confirm a strong password of at least 8 characters.
- 03Select Protect PDF to encrypt it with AES-256.
- 04Download the protected PDF and keep your password safe.
Questions, answered.
Are my files uploaded to a server?
No. This tool runs in your browser, so your files stay on your device.
Will the PDF ask for the password when opened?
Yes. The PDF is encrypted with AES-256 and requires the password to open in compatible PDF readers.
Can Layer recover a lost password?
No. The password is not stored. Keep it somewhere safe; a lost password cannot be recovered by this tool.