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How to Convert Audio from wav to mp3 in JavaScript Using ffmpeg.wasm
Check out this basic demo at https://convert.devtails.xyz/and keep an eye out for client side audio conversions in https://kaizen.place/ .
I just posted the following article the other day about using fluent-ffmpeg to convert wavs to mp3s in node.
https://devtails.medium.com/how-to-convert-audio-from-wav-to-mp3-in-node-js-using-ffmpeg-e5cb4af2da6
I had initially pondered doing the conversion on the client side, but wasn’t immediately able to find something. An astute Reddit commentor pointed me to ffmpeg.wasm and here we are with a followup for how to make the same conversion, but this time inside the browser.
The ffmpeg.wasm project has a Getting Started page, that was mostly helpful, but it skips a couple critical steps that had me tripped up for a bit.
Create Project With JavaScript Bundler
If you don’t already have a project setup with a bundler, you can quickly spin up your own.
npm initORyarn init
This will make a package.json file. Feel free to just press enter through all the configuration options as the defaults will be just fine.
