File Utility
PDF Protector
Protects PDFs with password-based access controls directly from the browser.
Access
Free
Typical input
PDF file and password
Outcome
Rounds out the PDF stack with a privacy and sharing utility.
Interactive tool
Refresh in progress. The latest retained values are being refreshed. Keep the current view visible while the next read arrives.
Smart query flow
Example query
Protect this PDF with a password before I share it.
User enters a natural-language request instead of filling a rigid form first.
Riddra identifies the relevant tool, extracts inputs, and asks follow-up questions only when needed.
Results can then be saved to the user account once signup or login is complete.