Free Online Tools
A growing collection of free, browser-based tools to help you test, call, and get things done. We add new tools regularly — no downloads or sign-ups required.
Microphone Tools
Teams Mic Test
Free online microphone test for Microsoft Teams. Check if your mic works, troubleshoot common issues, and ensure crystal-clear audio before your next meeting.
Use tool →Google Meet Mic Test
Free online microphone test for Google Meet. Check if your mic works in Chrome, troubleshoot common audio issues, and ensure clear sound before your next meeting.
Use tool →Online Mic Test
Free online microphone test that works in any browser. Check if your mic is working, see technical details like sample rate and channels, and troubleshoot common problems.
Use tool →Calling Tools
Free Call Online
Make phone calls online to any number in 200+ countries. Call directly from your browser with your first minute free, then pay as low as $0.02/min.
Use tool →Call My Phone
Lost your phone? Ring it from any browser to find it. Signed-in users can call as many times as needed for free. In addition, your first active call is free for up to 1 minute should anyone pick up.
Use tool →About These Tools
HelloAirDial's tools are free, simple utilities that run entirely in your browser. We add new tools regularly to help with calling, audio checks, and meeting prep—no downloads or sign-ups required.
Have a suggestion for a new tool? We'd love to hear it—reach out via the contact option in the footer.
More Tools Coming Soon
We're building more free tools to help you prepare for calls and meetings:
- ○Voice Quality Test
- ○Voice Pitch Analyzer
Related Resources
How-To Guides
Product
Ready to Make a Call?
Once your mic is tested, try HelloAirDial for affordable international calls directly from your browser.