lockpdfonline

No file size limits, no ad watermarks - A simple and secure web app to encrypt your PDF files with strong AES 128-bit encryption for free.

Unlocking a PDF is easy with Smallpdf. You just need to upload your PDF, enter the password (for strongly encrypted files), and download the unlocked PDF!

Free online tool to password protect PDF files and to set PDF security settings. No quality loss. Without installation. Without registration.

How to password protect a PDF · Click the Select a file button above, or drag and drop a PDF into the drop zone. · Enter a password, then retype it to confirm the ...

Upload PDF file to protect with a password using 256-bit AES encryption. · Enter a strong password to lock your PDF document. Set viewing and editing permissions ...

Remove PDF password online. Remove security from password protected PDF files.

Encrypt and protect PDF with a password to safeguard sensitive information. Secure your PDF files online, with ease and without registration.

Protect your PDF files online by adding a password that will prevent people from being able to copy or print your PDF document. Secure PDF files for free.

No registration or watermarks. Simple and secure way to password protect your PDFs with strong AES 256 bits encryption.

Protect your PDF files by adding a password to those documents with our safe and easy-to-use online tool. Add permissions to your PDF files for FREE!