PDF Lock & Unlock Tool

Secure your PDF files by adding or removing password protection. All processing is done client-side for privacy.

Drag & drop your PDF here or click to select

User Password (required):

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Confirm Password:

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Owner Password (optional):

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Allow Printing Allow Copying

Processing...

Drag & drop your PDF here or click to select

Password:

👁

Processing...

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What is PDF Lock & Unlock Tool?

A free web-based tool to add or remove password protection from PDF files without installing software.

Is it secure?

Yes, all processing is done client-side, so your files never leave your device.

Can I handle large PDFs?

Yes, it supports async processing for PDFs with 100+ pages.

Does it work on mobile?

Yes, it is fully responsive and works on phones, tablets, and desktops.