First You need some libraries to work offline. To achieve this you can easily use a service worker.js that will store offline all html ,css, js to browser indexdb ( a kind of local storage in browser but bit different).
If you don't want any mess of service worker then all external files to be downloaded in folder
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Your programme : cut copy paste this :
geeksforgeeks.org/how-to-convert-a...
First You need some libraries to work offline. To achieve this you can easily use a service worker.js that will store offline all html ,css, js to browser indexdb ( a kind of local storage in browser but bit different).
If you don't want any mess of service worker then all external files to be downloaded in folder