Suparelay

Free Tools: Test Your Mic and Speakers

Free tools that check a microphone and speakers in this browser, with nothing to install

  • Free
  • Nothing to install
  • Audio stays on your device

What to check before a call

Run a computer audio test and a call audio check on the machine you will use. Check mic and speakers, then test headset if you will wear one. These free online tools also test audio devices with nothing installed.

  • Microphone

    See a live level, record a short clip, and play it back before the call

  • A browser audio check

    Everything here runs in the current browser on Windows, macOS, iPhone, iPad, and Android. There is no app and no account.

  • Privacy

    A browser device check is private. Audio never leaves the browser, and nothing is stored.

Questions

How do I check my mic and speakers before a call?
Open each check, allow the microphone, and play the tone on each side. Then place the call.
Where can I test my audio devices for free?
On this page. Both checks are free and need no account.
What should I check on a headset before a meeting?
The microphone, then each ear. A quiet ear is easier to find before the meeting starts.
How do I know my computer audio works?
You know when the meter moves and you hear the sound from the speakers you will use.
Can I check a microphone and speakers with nothing installed?
Yes. The browser is enough.
Is a browser device check private?
Yes. The audio stays in the tab.
Which free tools should I use before a call?
The microphone check and the speaker check. Both are on this page.