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Protect PDF

Encrypt and password-protect your PDF documents with client-side security.

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Select or Drop Files Here
Supported: PDF Document (.pdf)
Free tier: up to 25MB โ€ข Max 10 items/pages per batch
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How to Use Protect PDF

1

Upload the PDF document you want to secure.

2

Enter and confirm your chosen password.

3

Choose permission flags (Allow/Disallow printing, text copying, or modifications).

4

Click "Encrypt & Protect PDF" and download your secure file.

About Protect PDF

Secure sensitive agreements, tax records, and private documents with strong client-side encryption. Set a viewer password required to open the file and restrict unauthorized printing or copying.

Honest Capability Note: Client-side encryption ensures no third party or server ever sees your password.
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Frequently Asked Questions

What encryption standard is used?

Files are protected using industry-standard PDF encryption supported by all PDF readers worldwide.

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This tool costs real money to run โ€” hosting and development time add up. If it saved you a trip to a paid converter, consider buying me a coffee. Every contribution helps keep KiaKia Tools fast, ad-light, and accessible for everyone.

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