Add password protection to your PDF files. Set an open password so only people with the password can view your document. Works entirely in your browser.
Your PDF is encrypted with the password you provide using industry-standard AES-256 encryption. Anyone who tries to open the PDF will need to enter the password.
Yes, use our PDF Unlock tool with your password to remove the protection.
No. The entire encryption process happens in your browser using JavaScript. Your PDF and password never leave your device.
We use AES-256 bit encryption, the same standard used by banks and governments.
Yes, including PDFs with images, forms, and multiple pages. Already-encrypted PDFs will need to be unlocked first.
Privacy-first tools that never upload your files. Fast, secure, and completely free for basic use.