Protect PDF
Password-protect your PDF files with encryption
Drop your PDF here
or click to browse files
Max 100.0 MB per file
About Protect PDF
Protect your sensitive PDF documents with password encryption. Set a user password that must be entered to open the file, and configure granular permissions for printing, copying, and editing. Your files are processed entirely in your browser and never uploaded to any server.
Features
Related Tools
Frequently Asked Questions
Yes, our Protect PDF tool is completely free to use. Encrypt and password-protect unlimited PDF files without any cost, watermarks, or account required.
Upload your PDF file, set your desired password, optionally configure permissions for printing and copying, and click protect. Download the encrypted PDF that now requires a password to open.
Our tool uses industry-standard PDF encryption to protect your documents. The password you set is required to open and view the file, keeping your content secure.
Yes, all encryption happens directly in your browser. Your PDF file and password are never transmitted to any server, ensuring your documents and credentials remain completely private.
Yes, in addition to setting an open password, you can configure permissions to restrict printing, copying text, and editing the document. This gives you granular control over how recipients can use your PDF.
No, any standard PDF reader including Adobe Acrobat Reader, Chrome, Firefox, Preview, and other common PDF viewers can open password-protected PDFs. The recipient just needs to enter the correct password.