Free Online Device Tests — Microphone, Webcam, Speaker & More

Test your microphone, webcam, speakers, headphones, keyboard, mouse, and internet connection — all in your browser. No downloads, no sign-up, no data uploaded. Everything runs locally on your device.

MicTesting123 is a collection of simple, browser-based diagnostic tools. Check if your devices work before important calls, recordings, or gaming sessions. See our Help Center for step-by-step guidance.

What You Can Test Online

Audio

Microphone, speakers, headphones, noise level, echo

Video

Webcam, passport photos

Input Devices

Keyboard, mouse, trackpad

Network

Internet speed, ping, jitter

Frequently Asked Questions

What is a mic test?
A mic test checks whether your microphone is working correctly. It verifies that your browser can detect the microphone, that audio input is being received, and that the sound level is adequate.
Why is my microphone not detected?
Your browser may not have permission to use the microphone. Click the lock or site-settings icon in the address bar, allow microphone access, and reload the page.
Do I need to install any software?
No. This mic test runs entirely in your browser. No downloads, plugins, or extensions are required.
Does this microphone test record my audio?
No. All audio is processed locally in your browser and is never uploaded, stored, or shared with anyone.
Can I test my microphone on a phone?
Yes. This test works on mobile browsers including Chrome and Safari on both Android and iPhone.
Is this mic test free?
Yes. The mic test and all other tools on MicTesting123 are completely free with no hidden costs or subscriptions.
Can I install MicTesting123 as an app?
Yes. On Chrome (desktop or Android), click the install icon in the address bar. On iPhone, open the site in Safari, tap Share, then select "Add to Home Screen." After installing, it opens like a standalone app.