Add real password encryption to your PDF. Adobe Reader will require password to open.
Max: 800 MB • 100% Browser-based
Real encryption — Adobe Reader will ask for password
or click to browse
Adobe Reader will now ask for password when opening
Three easy steps to add password protection
Select or drag your PDF file. Supports up to 800 MB.
Enter a strong password to protect your PDF file.
Download your password-protected PDF instantly.
Everything for your PDF files in one place
Real encryption that works with all PDF readers
Adobe Reader, Chrome, Foxit — all will require password to open the file.
Encrypt your PDF in seconds directly in your browser. No waiting.
Files never leave your device. All processing happens locally in browser.
Your sensitive documents never touch any server. Complete privacy.
Works perfectly on desktop, tablet, and mobile devices.
No charges, no signup, no limits. Protect unlimited PDFs forever.