Audio Spectrogram & Waveform
Visualise your microphone live as a scrolling spectrogram or waveform — nothing recorded or uploaded.
Visualise your microphone live as a scrolling spectrogram or waveform — nothing recorded or uploaded. Free and 100% private — runs entirely in your browser, nothing is ever uploaded.
About Audio Spectrogram & Waveform
Audio Spectrogram & Waveform is a free, browser-based tool for creators that lets you visualise your microphone live as a scrolling spectrogram or waveform — nothing recorded or uploaded. Because it runs entirely on your device, there’s nothing to install, no account to create, and your data is never uploaded to a server.
How to use Audio Spectrogram & Waveform
- Open Audio Spectrogram & Waveform — it loads in any modern browser, with no sign-up.
- Allow microphone access (or load your audio) to begin.
- Get the result instantly, processed locally on your device.
- Copy or download the output — what you entered is never sent anywhere.
Frequently asked questions
- Is Audio Spectrogram & Waveform free?
- Yes — Audio Spectrogram & Waveform is completely free, with no account, sign-up or usage limits.
- Is my data private?
- Yes. Audio Spectrogram & Waveform runs 100% in your browser, so your files and text are processed on your own device and never uploaded.
- Do I need to install anything?
- No — Audio Spectrogram & Waveform works in any modern desktop or mobile browser with nothing to download.