Information and notable limitations:
- The maximum size of the uploaded file for unlocking is 50MB.
- If you need to process larger files, sign up for a free account (200 MB).
- All files are removed after unlock is completed, or within an hour of inactivity.
- Optionally a user can keep files in store for further work, by checking Retain files
(in the Unlock PDF Dialog). The one hour limit still applies, where all uploaded files are
removed within an hour of inactivity.")
- Limited to files with PDF encryption as defined in the PDF standard. Files with encryption such as a DRM, are not handled by UnlockPDF.")