Protect PDF

Add a password and set permissions on a PDF.

Drag & drop a PDF here

or click to select a file

PDF – Max 50MB

Secure by default

Files are removed automatically after processing

No sign-up needed

Use every tool instantly, completely free

Works everywhere

Desktop, tablet, and mobile browsers

Related tools

Unlock PDF

Remove a password from a PDF you have access to.

Merge PDF

Combine multiple PDF files into one document, in any order.

Split PDF

Extract pages, split by range, or pull every page into its own file.

What encryption is used?

AES-256, the modern standard supported by Adobe Acrobat and virtually all PDF readers.

What if I forget the password?

There's no way to recover a lost password — keep it somewhere safe. We don't store your password or files after processing.

Can I remove protection later?

Yes — use the Unlock PDF tool with the same password.