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Sound & Mic tools

Sound & Microphone Tests

Free mic, speaker, headphone, hearing, decibel meter, tone generator, guitar tuner, metronome and voice recorder tools.

Free browser tools — no install, no account, private by design.Free foreverNo installWorks on Chrome, Edge, Firefox, Safari

8 free testers · No downloads · Works in your browser

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Sound & Mic

8 tools

Mic Test

Microphone with playback

Speaker & Headphone Test

Left/right, phase & bass

Hearing Test

Frequency range

Decibel Meter

Sound level (dB)

Tone Generator

20 Hz–20 kHz

Guitar Tuner

Mic-based tuner

Metronome

20–300 BPM

Voice Recorder

Record audio

About Sound & Microphone Tests

Check your microphone, speakers and headphones, run a quick hearing-frequency sweep, or open the tuner, metronome and tone generator. All audio processing stays in the browser.

Grant mic permission only when a tool needs it; speaker and headphone tests play tones locally.

Audio tools here cover capture and playback: confirm your mic level with a waveform, check left/right speakers, sweep headphone channels, and measure rough hearing range or room loudness in dB.

Creative extras include a tone generator, guitar tuner and metronome. Permission prompts appear only when the microphone is required; speaker tests never need a mic.