Question Chrome Extension Speechify

[Another.Technical.Human]

How do I take a file and upload it to the Chrome extension, have it read and then download as audio file?

 

[helpstar]

View: https://m.youtube.com/watch?v=uxwpVn1lomI&pp=ygUbc3BlZWNoaWZ5IGJyb3dzZXIgZXh0ZW5zaW9u

 

[Another.Technical.Human]

that is only web based ... read and audio on webpage ... no download data