Protect PDF
Add a password so your PDF stays confidential — only people with the password can open it.
Click to upload or drag & drop a PDF
Select one PDF to protect. Files are processed entirely in your browser — nothing is uploaded.
Encrypting…
Your PDF is protected
Uses 128-bit RC4 encryption, the standard PDF password security handler supported by virtually every PDF reader. Keep your password safe — it can't be recovered if lost.