Protect PDF
Encrypt a PDF with a password so only the right people can open it.
Drop a PDF here
or drag and dropProcessed on your device. Nothing is uploaded.How it works
- Choose your fileSelect a file or drag it onto the page. It opens directly in your browser.
- Protect PDFAdd a password with AES-256.
- Download the resultSave the new file to your device. Nothing is stored on any server.
About this tool
Protect sensitive files before emailing them. The PDF is encrypted with AES-256, the strongest standard PDF encryption, and you can also restrict printing, copying and editing. Because this runs in your browser, the password is never sent anywhere.
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Questions
What if I forget the password?
It cannot be recovered. Keep it somewhere safe.
Will it open on any device?
Yes. All modern PDF readers support AES-256.
Is Convert Magician really free?
Yes. All tools are free to use without an account. The site is funded by advertising, which is why you may see ads around the tools.
Are my files uploaded anywhere?
No. Processing happens in your browser. The only thing downloaded from our server is the tool itself; your document is never sent anywhere.