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 MicTesting123?
MicTesting123 is a free collection of browser-based diagnostic tools. Test your microphone, webcam, speakers, headphones, keyboard, mouse, and internet connection — all without downloading software or creating an account.
Is my data uploaded or stored?
No. All tests run entirely in your browser using your device's local hardware. Audio and video never leave your device. We don't collect, upload, or store any recordings or personal data.
Do I need to install anything?
No installation required. All tools work directly in your web browser. Just open the page, grant permission when prompted, and start testing immediately.
What browsers are supported?
Our tools work best on Chrome, Firefox, Edge, and Safari. We recommend using the latest version of your browser for optimal compatibility with microphone, webcam, and other device APIs.
Are all the tools free?
Yes, every tool on MicTesting123 is completely free to use. There are no premium features, subscriptions, or hidden costs. Test as often as you need.
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.