Skip to main content
PDF Search: How To Search a PDF

PDF Password

Easily password protect any PDF document online, for free.

Choose file

See user reviews on

How to password protect a PDF

Add passwords to PDF documents in one click with this free online PDF password tool

Add your PDF

  • Import PDF
  • Import Word
  • Import PowerPoint

Upload or import PDF files and other popular document formats or import your files from Dropbox or Google Drive.

PDF Password

  • 1:1 and group access
  • Personalized PIN codes
  • Simple and secure

No matter what PDF document you’re password protecting, add personalized PIN codes to PDF files quickly with this free PDF password tool.

Download & share

  • Share your file
  • Download as PDF
  • Invite your team

Once you’ve completed your PDF search, click ‘Settings’ to download your file or share your document with others.

Frequently asked questions

How do I password protect a PDF?

Adding a password to a document and password protecting a PDF with Sizle is easy. After uploading or importing your PDF file, simply press ‘Share’ in the top menu to activate the PDF password tool. You can create custom passwords for individual recipients.

What file formats does Sizle support?

Sizle supports popular formats like PDF & PDF/A, Word (DOC/X), PowerPoint (PPT/X), JPG, PNG, GIF and BMP.

Can I share my document?

Yes! After you’ve completed your PDF search, click ‘Share’ to share your document with others.

PDF Search: How To Search a PDF

The document app to grow your business

Document sharing, analytics and approvals in a collaborative dashboard

More than PDF Passwords.

Sizle helps you create and share
mission-critical documents.