Upload your PDF file
Add the PDF you want to secure from your device.
Protect PDF
Add or remove password security in one simple flow.
Upload your PDF
Drag & drop your file here or click to browse
Max file size: 20 MB
How to Protect a PDF File
Password-protect your PDF in three simple steps.
Set a password
Choose a strong password to encrypt your document.
Download your protected PDF
Save the encrypted file to your device instantly.
Why Choose Protect PDF
Strong, private, and effortless PDF encryption in one place.
Easy to Use
Encrypt PDFs with a password in seconds.
Secure & Private
Strong encryption keeps your document safe from prying eyes.
Auto Delete
Uploaded files are removed automatically to protect your privacy.
Works Everywhere
Protect PDFs from any device, with no app or install required.
Frequently Asked Questions
Find answers to common questions about our tools, security, and supported features.
Yes. Keep the same password and use Unlock PDF when needed.
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