Unlock PDF
Remove password from PDF files
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Protect PDF Files
Add password protection to your PDF files! Keep your documents secure with AES-256 encryption.
✓ 100% Free✓ Secure & Private✓ No Files Stored
Drop your PDF file here
or click to browse
Maximum file size: 50MB
How to Protect PDF Files
1
Upload Your PDF
Click the upload area or drag and drop your PDF file. Maximum file size is 50MB.
2
Enter Password
Enter a strong password (minimum 3 characters). This password will be required to open the PDF file.
3
Protect & Download
Click "Protect PDF" to encrypt your file with AES-256 encryption. Once complete, download your password-protected PDF. Your original file is never stored on our servers.
Security Features
- ✓AES-256 Encryption: Industry-standard encryption for maximum security
- ✓No File Storage: Your PDF is processed in memory and never saved to disk
- ✓Secure Processing: All processing happens server-side with no client-side exposure
- ✓Privacy Protected: Files are deleted immediately after processing
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