No file selected
No file selected
Secure your PowerPoint presentations with military-grade AES-256 encryption. Add password protection to your PPTX files directly in your browser - no uploads, no servers, complete privacy.
Your files are protected with AES-256 encryption, the same standard used by governments and security experts worldwide.
All processing happens in your browser. Your files never leave your device, ensuring complete privacy.
Protect or unlock your presentations in seconds with our optimized processing engine.
Select your PPTX file
Set a strong password
Process with AES-256
Get protected file
Absolutely! Your files are processed entirely in your browser using JavaScript. They never leave your computer or get uploaded to any server.
We use AES-256 (Advanced Encryption Standard) with 256-bit keys, which is the industry standard for securing sensitive data.
No, protected files require this tool for decryption. You'll need to enter the correct password to unlock the presentation.
There's no artificial limit, but very large files may take longer to process depending on your device's capabilities.