Upload a PDF and detect common encryption markers and document properties for a fast security check.
Before forwarding an externally received PDF, an operations user can run this check, see that interactive form fields are present, and decide to review the file more carefully first.
The security signal check uses local PDF parsing in the browser and does not require the file to be uploaded to your Laravel app.
Understand what PDF metadata can reveal, why document properties matter, and how quick PDF checks can help.
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