Voice Notes and Audio Recorder is a Firefox extension that adds a one-click voice recorder to your browser. You click record, speak, and download an MP3 file. The audio never leaves your machine.
Here is what it does, how it works, and when it is the right tool.
What it does
The extension adds a toolbar button to Firefox. Click it, and a small popup appears with a record button. Click record — your microphone activates immediately. Click stop — the recording finishes and an MP3 download is ready.
The audio is captured using Firefox's built-in Web Audio API. No external service receives your audio. The file is saved locally.
Setup
- Install from Firefox Add-ons
- Grant microphone permission when prompted
- Click the toolbar icon to record
No account, no login, no configuration. The recording starts on click.
What works well
- Speed. Click record, speak, done. Faster than opening any dedicated app.
- Privacy. Audio stays local. For sensitive content — medical notes, legal memos, confidential brainstorming — this matters.
- No subscription, no limits. Otter.ai's free tier limits you to 300 minutes/month. This extension has no limit.
What it does not do
- Transcription (audio only — no automatic text conversion)
- Cloud sync or backup
- Search across recordings
- Meeting recording (designed for quick personal notes)
When it is the right tool
Voice Notes is a tool for quick personal memos — the thought you want to capture in 30 seconds while already in the browser. It is not a meeting transcription tool.
For transcribed meeting notes with search and sharing, Otter.ai or Fireflies is the right choice. For a quick voice note during research that stays on your machine, this extension is faster and simpler.
Install Voice Notes for Firefox
Voice Notes is one of 11 Firefox extensions I built — see the full series.
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