Convert BLOB to PDF and save it to a location

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Convert BLOB to PDF and save it to a location

I have a requirement to convert blob(stored in a DB table) back to .pdf in the UI(for the users to download). i could achieve this for single blob to file conversion(with a prompt to 'save as'), but the application also has a bulk download functionality wherein it has to convert each blob to a pdf and zip it, which the user should be able to download.

Any help would be appreciated.

Thanks in advance

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