CleverPDF Encrypt PDF

Encrypt PDF

Protect PDF file with open password or restrictions

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Choose file
  • Import from Google DriveFrom Google Drive
  • Import from DropboxFrom Dropbox
Or drag and drop files here

Desktop version: 24-in-1 CleverPDF for Windows

More productive way for PDF to Word conversion and other 24 PDF tasks. Desktop version doesn't require the Internet Connection, support batch processing and larger files.

Desktop version: 20-in-1 CleverPDF for Mac

More productive way for PDF to Word conversion and other 20 PDF tasks. Desktop version doesn't require the Internet Connection, support batch processing and larger files.
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Protect your PDF with Password

Protect your PDF file by adding an open password, or restriction of copying and printing.
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High level of encryption

With 128bits encryption, it is impossible to crack your password on a regular computer. Safe, only the authorized person can get access to your content.
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Safe, your privacy matters

The files you uploaded will be deleted automatically after 30mins. You can also manually remove the file from server instantly after conversion. We care about your privacy.
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Cloud service, cross platforms

Conversion in the cloud, no software needed. All you need is the Internet access and a web browser, convert or edit PDF on Windows, Mac, iOS or Linux or any other OS.
CleverPDF How-to Guide

How to Encrypt PDF Online?

  1. Select a PDF by clicking 'Choose file' button or simply drag the file to the Encrypt PDF page.
  2. Select an encryption method, you can add open password or owner password with copying and printing restriction.
  3. Click 'Start Conversion' button to start the online encryption.
  4. Download the encrypted PDF file after processing.