FilezyFilezy

Free, private image & PDF tools that run in your browser. No uploads, no account, no limits.

Image tools

  • Workshop Editor
  • Compress Image
  • Resize Image
  • Crop Image
  • Rotate Image
  • Remove Background
  • Upscale Image
  • All image tools →

Convert

  • WebP → JPG
  • WebP → PNG
  • JPG → WebP
  • PNG → WebP
  • HEIC → JPG
  • JPG → AVIF
  • GIF → WebP

PDF tools

  • All PDF tools
  • Compress PDF
  • Merge PDF
  • Split PDF
  • Sign PDF
  • Protect PDF

More

  • Home
  • Workshop
  • Blog
© 2026 Filezy•Private by design•Built withfor the web
Blog•Sitemap
FilezyFilezyFilezyFilezy
PDF ToolsProtect PDF
PDF Tools
Workshop

Protect PDF

Add password to PDF

Drop PDF here

or click to browse • PDF only• Max 100MB

This tool runs entirely in your browser — files are never uploaded to any server.

You might also need

Unlock PDF

Compress PDF

Add Watermark

Redact PDF

How to use Protect PDF

  1. 1

    Upload your PDF

    Drop your PDF onto the upload area.

  2. 2

    Set a password

    Enter the password you want to use to protect the document.

  3. 3

    Download protected PDF

    Click Protect and download your password-secured PDF.

Frequently Asked Questions

Can I add a password to a PDF for free?+

Yes, Filezy lets you add password protection to any PDF completely free, with no account required.

Can anyone open my protected PDF without the password?+

No. Once protected, the PDF requires the password to open in any PDF viewer.