PDF Password Protector
Encrypt your PDF files with a secure password directly in your browser.
Drop PDF file here or click to upload
Maximum file size: 25MB
filename.pdf
0 KB
Password strength
Passwords do not match.
Loading...
Initializing encryption...
Success! Your PDF is now password protected.
Secure Encryption
Uses industry-standard AES encryption algorithms to secure your documents.
100% Private
Files are processed locally in your browser. Nothing is uploaded to any server.
Instant Processing
Fast browser-based encryption. No software installation required.
How It Works
Drag and drop your PDF into the upload area or click to browse your files. Maximum supported file size is 25MB.
Choose a strong password. We recommend a mix of letters, numbers, and symbols for maximum security.
Click the "Protect PDF" button. The tool will encrypt your file locally using secure encryption methods.
Once processing is complete, download your newly protected PDF file. You will need the password to open it.
Frequently Asked Questions
Yes, we use strong encryption standards supported by the PDF specification. Your document is secured using AES encryption, which is widely trusted for sensitive data.
Absolutely not. All processing happens directly in your web browser using JavaScript libraries. Your files never leave your computer, ensuring complete privacy.
We utilize the encryption capabilities provided by the PDF-Lib library, which implements standard PDF security handlers compatible with most PDF readers.
You can use our PDF Password Remover tool to decrypt the file if you know the password, or use any standard PDF editor that supports removing security settings.
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