Protect PDF - Add a password to your PDF files

Add password protection for restricting permissions, or entirely locking the PDF from any modifications or even require a password to view the document. Several options enable users to restrict permissions such as printing and, filling into forms, and performing modifications on password protected PDF files.

Drag files here to upload or ...

Uploaded Files

Ensure that all the PDF files you want to password protect are uploaded.

File Name File Size (MB) Pages


Specify the password and type of protection wanted

Require opening password
Allow modifications
Allow printing
Allow copying or extracting text or graphics
Allow filling into form fields

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PDF Protect Service Details

File Sizes

The maximum total size of all uploaded files for adding PDF protection is 50 MB.


If you need to handle huge files for protect PDF, sign up for a free account (200 MB).

Secure Transfers

All files are transferred over a secure encrypted connection (https) to maximize the security of your files.

File Removal

All files are removed after adding password protection is completed, or within an hour of inactivity.