About Protect PDF & common questions
Use Protect PDF free online
OpenPDFKit validates uploaded documents before processing, stores temporary files with automatic expiry, and keeps the workflow fast for common PDF tasks. Guest usage is available for smaller jobs, while accounts unlock higher limits and history.
How it works
- 1
Upload your file
- 2
Choose tool options
- 3
Confirm permissions
- 4
Process and download
Common questions
Is Protect PDF free?
Yes. Protect PDF is free to use right now within the public guest limits.
Do I need an account to use Protect PDF?
No account is required for guest tasks. A free account can unlock higher limits and future history features.
What permission do I give before processing?
You confirm that you have the rights to upload and modify the files, and you allow temporary processing for the selected PDF task.
How long are files stored?
Guest uploads and results are temporary and are designed to expire automatically after the task window.