Add a strong password to any PDF in seconds. PDF2Tool encrypts your file with AES so only people with the password can open it — perfect for contracts, invoices, and confidential reports.
PDF2Tool uses real AES encryption — the same standard used by banks. Without the password, the document cannot be opened, copied, or printed.
There is no recovery. If you forget the password, you'll have to use the original unprotected file. Always store passwords in a password manager.
Yes. Use our Unlock PDF tool, enter the password, and download the unprotected version.
Yes. Adobe Acrobat, Preview, Chrome, Edge, and every major PDF reader support password-protected PDFs.
Yes. Files are processed in your browser whenever possible, and any file uploaded for server-side conversion is automatically deleted within 30 minutes. We never share, sell, or read your documents.
Yes. PDF2Tool runs entirely in the browser and works on any modern phone, tablet, laptop, or desktop — no app required.