Test your microphone in seconds

A free, private mic test that runs entirely in your browser. Click start, allow access, and see your voice come to life on the level meter.

Trusted for 10,000+ mic tests and counting

Click "Test My Mic" and allow microphone access to begin.

Everything you need to check your mic

Live level meter

Watch a real-time waveform and numeric level as you speak, so you know instantly if your mic is picking up sound.

Device switching

List every microphone connected to your computer and switch between them without reloading the page.

Record & playback

Record a few seconds of audio and play it back immediately to hear exactly what others will hear.

Device diagnostics

See your microphone's label, sample rate, and channel count to confirm it's configured correctly.

100% private

Your audio is processed locally with the Web Audio API. Nothing is ever uploaded to a server.

Works everywhere

No installs, no plugins, no account. Works in any modern browser on desktop or mobile.

What people are saying

“I use this before every podcast recording. Takes ten seconds and saves me from re-recording a whole episode.”

Priya — Podcaster

“Finally a mic check that doesn't need me to install anything mid-stream. Just works.”

Marcus — Streamer

“As someone on video calls all day, this is my go-to before every important meeting.”

Elena — Remote worker

“Simple, fast, and it actually shows which microphone is picking up my voice.”

Sam — Online teacher

“No sign-up, no nonsense. I bookmark it and use it before every gaming session with friends.”

Yuki — Gamer

How it works

  1. Allow microphone access

    Click "Test My Mic" and approve the browser permission prompt.

  2. Watch the level meter

    Speak normally and watch the live meter react to your voice in real time.

  3. Record a sample (optional)

    Record a short clip and play it back to hear your mic quality for yourself.

A fast, private way to test your microphone online

Whether you're about to join a video call, start a podcast recording, or set up a new headset, a quick mic test can save you from awkward silences and "can you hear me?" moments. Mic Test gives you an instant way to check microphone online, right from your browser, without installing any software or creating an account.

Our free mic test online tool uses the Web Audio API to analyze your microphone input directly on your device. When you click "Test My Mic," your browser asks for permission to access your microphone, and once granted, you'll see a live level meter that responds to your voice. This lets you confirm your microphone is working, check that the volume is appropriate, and rule out background noise or hardware issues before an important call, stream, or recording session.

If you have more than one microphone connected - like a USB headset and a laptop's built-in mic - you can switch between input devices instantly and see which one performs best. The device diagnostics panel shows technical details such as sample rate and channel count, which is useful for troubleshooting audio quality problems or configuring recording software.

Unlike many microphone checker tools, everything happens locally: your voice is never uploaded, streamed, or stored on any server. The optional recording feature lets you play back a short sample to hear exactly what your microphone captures, giving you full confidence before you go live. It's the simplest way to test microphone online for calls, streaming, gaming, and voice recording - completely free, with no downloads required.

Frequently asked questions

How do I test my microphone online?

Click the "Test My Mic" button above and allow microphone access when your browser asks. You'll immediately see a live level meter that reacts to your voice - speak normally to confirm your mic is working.

Is this mic test really free?

Yes. Mic Test is completely free, with no sign-up, no downloads, and no hidden limits. It runs entirely in your web browser.

Does this tool record or upload my voice?

No audio is uploaded or stored on any server. All processing happens locally in your browser using the Web Audio API. If you use the optional recording feature, the clip stays in your browser's memory until you close the page.

Why isn't my microphone showing up?

Make sure a microphone is physically connected and not disabled in your operating system's sound settings. Then reload this page and click "Test My Mic" again - your browser may need you to grant permission before devices are listed.

Why was microphone access denied?

Your browser blocks microphone access until you approve it. If you accidentally denied the prompt, open your browser's site settings for test-mic.app, allow the microphone, and reload the page.

Can I use this to test a USB or Bluetooth microphone?

Yes. Any microphone recognized by your operating system - built-in, USB, or Bluetooth - will appear in the device selector so you can test it directly.

Does this work on mobile phones?

Yes, Mic Test works in modern mobile browsers on both Android and iOS, using the same in-browser technology as on desktop.

Which browsers are supported?

Mic Test works in all modern browsers that support the Web Audio API and getUserMedia, including Chrome, Firefox, Edge, and Safari.