Decibel Meter Lab

Decibel Meter Lab is a free browser-based audio testing platform for measuring sound, analyzing frequencies, and troubleshooting audio equipment without installing software.

It includes a real-time decibel meter, spectrum analyzer, tone generator, microphone test, speaker test, headphone test, bass and subwoofer test, stereo checks, phase testing, frequency sweeps, and noise generators.

Everything runs directly in a modern web browser, making it useful for everyday users, musicians, creators, students, home-studio users, audio enthusiasts, and technicians who need quick and accessible sound-testing tools.

No account, download, or complicated setup is required.