Speech Recognition Polyfill Userscript

Get extremely fast, free, & accurate server-side multilingual Speech Recognition. Polyfills Web Speech API on any browser!

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Maker: apersongithub
Dagelijks aantal installaties: 0
Totaal aantal installaties: 15
Beoordelingen: 0 0 0
Versie: 1.2.1
Gemaakt op: 03-03-2026
Bijgewerkt op: 30-03-2026
Grootte: 101 KB
Licentie: MIT
Wordt toegepast op: Alle websites

This is a one-time userscript that provides only Google's server-side speech recognition as a polyfill, further updates are not guaranteed. Use the (firefox-only) extension listed here for a better experience: https://github.com/apersongithub/Speech-Recognition-Polyfill

Tested on: Brave, Opera, Chrome (disable-speech-api flag), Firefox

This is basically equivalent to Google Chrome's native support for the Web Speech API.
This userscript is the exact same speech recognition polyfill for voice search as on google.com and youtube.com. Remember to speak loud and clear.
Punctuation and grammar is only supported with with cloud v2 backend (see script for info).
This usersript may cause issues with sites that have their own polyfill implementation for unsupported browsers (unlikely).
The image below is of the actual extension but it works practically the same minus the customization options.
Some archaic sites gate speech recognition behind UA checks so you might have to use the highly experimental "browser racism fix" flag
Please read the disclaimer in the script, basically as long as you use it like a normal person then you'll be good!