Password Protect PDF
Secure your PDF files with military-grade encryption
Upload PDF File
Drop PDF here or click to browse
Maximum file size: Unlimited
Set Password
Document Permissions
These permissions control what users can do with the PDF after opening it with the password.Upload and Protect PDF
Upload a PDF file and set a password
to see the protected result here.
Related Tools
Important: Client-Side Limitation
JavaScript PDF encryption is not currently supported in browsers. True PDF password protection requires server-side processing or native desktop applications.
This tool is a work in progress. We're working on a server-side implementation for secure PDF encryption.
Recommended Alternatives
Desktop Tools (Free):
- QPDF: Command-line tool -
qpdf --encrypt user-pass owner-pass 128 -- input.pdf output.pdf - PDFtk: Free desktop tool with GUI - pdflabs.com
- Adobe Acrobat: Professional solution with full encryption support
Why not client-side? PDF encryption requires specific cryptographic implementations that ensure compatibility with all PDF readers (Adobe, Preview, Chrome, etc.). JavaScript PDF libraries don't have this capability yet.
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