PDF Tool
Protect PDF
Add password protection and restrict permissions on your PDF documents securely.
Upload a PDF
Choose one PDF file to protect with a password.
Press Enter, Space, or use the browse button to upload files.
Remaining today without watermark: 3
Options
Password protection
Requires a password to open the PDF.
Restrict permissions
Limits copying, editing and printing in compatible PDF readers.
Advanced
Makes casual editing harder before password protection.
Removes document properties before encryption.
Permission restrictions depend on PDF viewer support. Password opening is always enforced; copy/edit restrictions are honored by compatible PDF readers such as Adobe Acrobat.
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FAQ
Does the protected PDF require a password to open?
Are my passwords stored anywhere?
Can I restrict printing or copying?
About this tool
PDFCustom protects your PDF with password protection and permission restrictions for printing, copying, editing, annotations, and form filling. This operation is processed securely on our servers; most other PDFCustom tools run locally on your device.