Real-Time Transcription Chrome Extension Development

I need a Chrome browser extension that can transcribe meetings across multiple platforms. This extension should transcribe meetings from Google Meet, Zoom, Microsoft Teams and any other possible meeting platforms in real-time.

Key Requirements:
- It should work seamlessly across various video conferencing platforms.
- It should provide real-time transcription without the need for saving.
- It can be open source, but should be compiled and installed on chrome.
- I can fetch the script from the google captions as far as the requirements are met.

Ideal Skills and Experience:
- Proficient in Chrome extension development.
- Experience with real-time transcription technologies.
- Familiarity with major video conferencing platforms.
- Able to develop user-friendly, seamless and reliable tools.