Add a password to your PDF so it opens in any viewer with a password prompt. All processing is local — your file never leaves your device.
Drop a PDF here or click to browse
PDF files only
Your PDF is password-protected using RC4 128-bit encryption
following
the PDF specification. The output is a standard .pdf file that any PDF viewer (Adobe Acrobat,
Preview,
Chrome, etc.) will prompt for a password when opened.
Your PDF never leaves your device — all processing happens entirely in the browser.