: Protect documents with passwords to prevent unauthorized viewing, printing, or editing.

: Supports the PDF/A format, which is specifically designed for long-term digital archiving. Technical Details & Download Information

: Automatically generate bookmarks and tables of contents to organize complex documents.

: Directly highlight text, redact sensitive information, and add signatures or initials using the "Notes" function.

: Add page numbering, headers, footers, and watermarks to your files.

The "Pro" version expands on the standard tool with advanced editing and management capabilities: