How can i detect if pdf is opened in program or adobe website extension?

Question

I need to detect if pdf is opened in program or adobe website extension. Adobe website extension displays pdf (i have form inside) different than its showed in program. I need to check where is it opened and move form fields. Any help would be appreciated.

creative explorer · Answer

@pogan_2017 Unfortunately, you can't! Directly detecting within a PDF itself whether it's being viewed in a standalone Adobe app (like Acrobat Reader or Pro) versus an Adobe browser extension is inherently challenging due to security and sandboxing limitations of web browsers. PDFs are generally rendered by the viewing application, and there's no standard mechanism for the PDF content to query the environment it's being displayed in.

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