Password-protect your PDF with AES-256 encryption. All processing is local — your file never leaves your device.
Drop a PDF here or click to browse
PDF files only
Your PDF is encrypted using AES-256 via the Web Crypto API. The password is used to derive a strong key using PBKDF2 with 100,000 iterations.
The encrypted file is a self-contained package. Use the Decrypt tab on this page to recover your original PDF.
Your PDF never leaves your device — all encryption happens in the browser.
Already have a .epdf
file from this tool? Decrypt it here.
Drop encrypted file or click to browse