Encrypt / password-protect PDF – PDFMega

Encrypt / password-protect your PDF
Upload a PDF, set user & owner passwords, choose permissions, and we’ll generate a secure, encrypted copy.

Upload a PDF and configure passwords and permissions. A preview of the first page is shown when possible.

No file selected yet.
Passwords
Minimum 6 characters. Use letters, numbers and symbols for stronger security.
Strength: —
Owner password controls printing/copying permissions. You can link it to the user password.
Permissions & encryption strength
If unsure, keep 128-bit. For highly sensitive files, choose 256-bit.
Upload a PDF and set a user password to enable encryption.
Live preview (before encryption)
We render the first page of your PDF so you can confirm it’s the right file before encrypting.
Status: Not encrypted yet 0 pages Size: —
Waiting for PDF…
No file loaded.
The encrypted copy you download will require the user password to open. Permissions will follow your choices.
How to use:
  • Upload your PDF – we show file size, page count, and a first-page preview.
  • Choose a strong user password. Optionally set a separate owner password.
  • Pick which actions are allowed (print, copy, edit) and encryption level.
  • Click Encrypt PDF to download a protected copy.