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Voice Recorder

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Press the big record button, talk, hit stop, download the file. The simplest possible voice recorder, running entirely in your browser via the microphone API. Output is a WebM (Opus codec) file you can drag into a podcast project, send on Slack/Discord/WhatsApp, or transcribe with any STT tool. No upload, no account, no watermark, no time limit beyond your browser's memory.

Common uses: capturing a quick voice memo when you can't open your phone, recording a podcast guest over a quick browser-only call, practicing a presentation and listening back to your pacing, recording an audio note for a transcription tool, or just sending a voice message in a tab when typing would be slower.

The microphone permission is requested once and stays granted for that origin until you revoke it in browser settings — no re-prompting between recordings. The waveform display shows your input level so you can tell mic-too-quiet vs. mic-clipping at a glance.

Nasıl Kullanılır

  1. Click the big Record button. Your browser will ask for microphone permission the first time.
  2. Talk. The waveform meter shows your input level — aim for green/yellow, avoid solid red (clipping).
  3. Click Stop when you're done. The recording is added to the list with a play button.
  4. Click play to verify, then Download to save the WebM file. Re-record if you want another take.
  5. If your microphone is the wrong one (Bluetooth headset vs. built-in vs. USB mic), pick the right device from the dropdown before recording.

Ne Zaman Kullanılır

  • Quick voice memos for yourself or to send to a teammate.
  • Recording a one-off podcast segment, intro, or voiceover.
  • Practicing speeches or interviews and reviewing pacing.
  • Capturing audio for a transcription tool (paste the WebM into Whisper or any STT service).

Ne Zaman Kullanılmaz

  • Multi-track recording (separate vocals + instruments) — use a DAW like Audacity, GarageBand, Reaper, or BandLab.
  • Live broadcasting / streaming — use OBS, Streamlabs, or a dedicated streaming app.
  • Long recordings (60+ minutes) — browser memory is a soft cap; use a desktop recorder for extended sessions.
  • When you need MP3/WAV directly — output is WebM/Opus. Convert separately if your destination tool doesn't accept WebM.

Yaygın Kullanım Senaryoları

  • Onboarding a colleague who needs the same calculation/conversion
  • Verifying a number or output before passing it on
  • Quick use during a typical workday
  • Pre-decision sanity-check on inputs and outputs

Sık Sorulan Sorular

Why WebM instead of MP3 or WAV?

Browser MediaRecorder produces WebM (with Opus audio codec) reliably across all modern browsers. MP3 isn't natively supported. WAV is huge and uncompressed. Opus inside WebM gives near-MP3 quality at lower file sizes and works in every modern app — Discord, Slack, Whisper, ffmpeg, etc.

Is my microphone audio uploaded to a server?

No. The MediaRecorder API runs locally — the audio stays in your browser's memory until you click Download. Open DevTools → Network and you'll see zero outbound requests during recording. The microphone permission is between you and your browser, not us.

Can I record from a USB mic or audio interface?

Yes. The device dropdown lists every audio input your OS recognises. Pick your USB mic / interface there. The browser only shows devices the OS exposes, so unplugged devices won't appear.

What's the longest I can record?

There's no hard limit — but each minute of Opus audio uses ~1 MB of browser memory. Practical limit is ~60 minutes on a typical laptop before things get sluggish. For longer recordings, save segments and concatenate later.

Why is the recording quieter than I expected?

Modern browsers apply Auto Gain Control by default — they boost quiet input and limit loud peaks to prevent clipping. If you need flat unprocessed audio (for music or scientific use), most browsers expose a constraint to disable AGC, but it's off by default in this tool because most users want the safer default.

Will it work on mobile browsers?

Yes — Safari iOS, Chrome Android, Firefox mobile all support MediaRecorder. iOS may require a tap (not autoplay) to start recording due to Apple's audio-context policy.