Are my files uploaded to a server?

No. This tool processes your files entirely in your browser — nothing is uploaded to our servers.

What is the maximum file size?

You can protect PDF files up to 50 MB.

Yes. FreeCVT is 100% free — no signup, no watermarks, no hidden fees.

Add a password to your PDF — instantly and 100% in your browser.
Nothing is uploaded to our servers.

Drag & drop your PDF here

or click to browse

PDF only · Max 50 MB

Select or drag & drop your PDF file (max 50 MB).

Choose a password — encryption runs instantly in your browser.

Download your password-protected PDF. Your file never left your device.

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Instant protection, right in your browser.

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This tool processes your files in your browser — nothing is uploaded to our servers.

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No signup, no limits, no watermarks.