Unable to convert file from binary to form

Hi leonmuzire96,

If I am understanding correctly, you are trying to convert a binary document to an office document on WebViewer? Which demo are you following for the conversion?

Here are the currently supported file formats for WebViewer:

The exception you see is because the file you are trying to open is not a PDF, you can see a related forum post here:

Best Regards,
Kevin Kim
Web Development Support Engineer
PDFTron Systems, Inc.
www.pdftron.com

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