Sound Card Oscilloscope

Uses the computer's audio input as an oscilloscope, FFT spectrum analyzer and signal generator.

Artifact by Franck Gaspoz

IndexedGPL-2.0★ 14Audio & videoNo sign-up

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Opens franck-gaspoz.github.io in a new tab. Nothing to install.

Open Sound Card Oscilloscope Source code

You provide: Microphone or line-in signal
You get: Waveform, spectrum and generated tones
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Open-source web app
Source: Open source
Link check: Answered on Oct 31, 2026

About

Sound Card Oscilloscope is an open-source web app in the audio video category (sound card oscilloscope). It opens in your browser, so there is nothing to install. You provide microphone or line-in signal and get waveform, spectrum and generated tones. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (franck-gaspoz/soundcard-signal-analyzer-generator).

Category: Audio & video · sound card oscilloscope

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Signals

Stars: 14

Details

Auth: No auth
License: GPL-2.0
Repository: github.com/franck-gaspoz/soundcard-signal-analyzer-generator
Website: franck-gaspoz.github.io/soundcard-signal-analyzer-generator/
First seen: Oct 31, 2026
Last checked: Oct 31, 2026
Source: GitHub

Cite this page

Sound Card Oscilloscope: free online tool. Agent Mart. https://agentmart.dev/artifacts/sound-card-oscilloscope (last updated 2026-10-31)