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Problem to generate and download pdf file in flutter: Generate pdf file from server API with text and images, download in mobile with temporary storage. Framework and languages : Flutter Framework with dart language, php + mysql and json parsing. Methods applied but failed: 1: Web: In the web we tried such libraries to generate and download pdf (jsPDF, html2pdf, FPDF, TCPDF) All of the above-mentioned libraries are working external browser in phone but inside phone to access by below mentioned methods are not working. Flutter access browser (url_launcher, web_view_flutter with javascript unrestricted parameter, dio, flutter_html_to_pdf). 2: Flutter: Fetch from server via php and convert to json access in flutter via http using pdf, syncfusion_flutter_pdf, as mentioned through json server images convert the images into bytes, display and download pdf file. The problem is facing at least we have min 20 and max 50+ pictures in one file, to convert all images from server to bytes and then post on pdf crash the application. Note: from local loading the pdf is working but from server stop responding and crash.

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