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Protect and unlock

Security

Add password protection and permission restrictions, or remove protection with the owner password.

Read the API docs All products

Protect PDF

Add password protection and permission restrictions (print, copy, edit) to a PDF.

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Unlock PDF

Remove password protection from a PDF using the owner password.

Try the tool Docs

Get your documents done.

Build it into your product with the API, automate it with no code, or use the free tools in your browser. No credit card to begin.

Start with a single callcurl -X POST https://api.pdf4me.com/v1/ConvertToPdf
Start with the API Automate with no codeUse the free tools

Free tier · No credit card required