PPDF Helper
Core tools · AES-256 protection

Password Protect PDF

Encrypt a PDF with an AES-256 password in your browser.

Start Password Protect PDFHow it works
✓ Files stay on your device✓ No signup to get started✓ Free browser workflow
THE PDF JOB

Get this job done without an upload detour

Add an opening password before sending a contract, statement, or private document.

  1. 1Choose a PDF
  2. 2Set a strong password of at least eight characters
  3. 3Encrypt locally and download
ZERO UPLOADS

One PDF. Multiple Jobs. Zero Uploads.

Merge, organize, compress, convert, redact, and protect documents directly in your browser. You can inspect your browser Network panel to verify that supported local jobs do not upload the PDF body.

Learn how to verify local processing
RELATED PDF JOBS

Keep working without starting over

Unlock PDF with PasswordUse the correct password to remove PDF opening restrictions locally.Open job →Redact PDF PermanentlyPermanently cover sensitive PDF content and verify that hidden text is not extractable.Open job →Remove PDF Metadata Before SharingRemove author and creator details from a PDF before email, upload, or publication.Open job →