Protect PDF

Encrypt a PDF with a password.

Processed in your browser — files never leave your device

Drop a file here

or

Select file

About Protect PDF

Encrypt a PDF with AES-256 so it can only be opened with your password, and optionally limit printing or copying. Encryption happens in your browser and the password is never sent to us.

How to use Protect PDF

  1. Select your file or drag and drop it into the box above.
  2. Choose your options and preview the result.
  3. Download your new file. Nothing is kept after you leave the page.

Frequently asked questions

Is Protect PDF free?

Yes. Protect PDF on DocEpic is free, with no sign-up, no watermark and no limit on how often you use it. The site is supported by ads.

Are my files safe with Protect PDF?

Yes. Protect PDF runs entirely in your web browser, so your files never leave your device and are never uploaded to us.

Do I need to install any software?

No. Protect PDF works in any modern browser on Windows, macOS, Linux, Android and iPhone.

Is there a file size limit?

Files up to 100 MB are accepted. Because the work happens on your device, very large files depend on your device's memory.

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