Protect PDFs online

Add a password to your PDF files online for free

(max. 250 MB)

This online tool allows you to easily add a password to your PDF files. Instead of downloading an app, simply upload the files here in the browser and protect your PDF documents with a password.

How to add a password to a PDF

  • Click on 'Choose file' or drag and drop the file that you would like to secure with a password
  • Enter your desired password and retype it for safety reasons in the second field
  • Choose between an encryption of 256 bits (maximum security) and 128 bits (for compatibility with older software)
  • Select if and with which quality your file may be printed, and if the text may be copied or edited
  • Click on 'Add password' below and download your encrypted file

Take your PDF files to another level with PDF Architect.

Explore our fully-featured PDF editor that lets you modify your PDFs, create forms, send and track documents with e-signatures, add comments to your PDF and more.

 

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