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Password Protect PDF Online – Free Tool

Lock your PDF with password protection. Encrypt files, set open/owner passwords, restrict printing, copying & editing. Works 100% in browser.

🔒 Open Password
Requires password to view PDF
⚙️ Owner Password
Control editing/printing permissions
🌐 No Uploads
Files stay in your browser only
⚡ Instant
Encrypt any PDF in seconds
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Drop a PDF file here or click to browse
File never leaves your browser – 100% private
Open Password (required to view PDF)
Owner Password (controls permissions) optional
Permissions (what others can do with your PDF)

How to Password Protect a PDF? (3 seconds)

  1. Drop PDF file – drag & drop or click browse
  2. Enter password – set open password to encrypt
  3. Choose permissions – control printing, editing, copying
  4. Click Lock – download protected PDF instantly

Works offline – no file uploads, 100% secure encryption in browser

🔐 Encrypting & protecting your PDF…
✅ PDF password protected successfully!