This application converts a CSV from Sonix.ai into a collection of JSON and HTML that can be used to represent the transcript in a web applicaton.
Try it: https://propublica.github.io/transcript-audio-sync/convert-sonix-csv/
Create an account on Sonix
Upload an audio file for transcription
When viewing the transcript in Sonix, press the export button and select the CSV option. Copy and paste that into the "Sonix CSV" input in this application and press "Convert".