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Protect PDF

Lock your PDF with a password. Anyone you share it with just opens it in any PDF viewer and types the password. No account, no server, no upload.

runs 100% in your browser · nothing is uploaded

1 Add your PDF

Click to choose a PDF or drag it here

One file at a time

2 Set a password

Password

Confirm password

Restrictions (optional)

Don't allow printing Don't allow copying text & images Don't allow editing, annotating or filling forms

Restrictions are honoured by most PDF viewers but are not a hard lock. The password to open the file is what actually keeps it private.

3 Download

File name

Uses standard AES-256 PDF encryption, which opens in Acrobat, Chrome, Firefox, Edge and Preview. Keep the password safe: it can't be recovered if you lose it. Already password-protected PDFs aren't supported.