Decibel - sound level meter

Decibel is a Chrome extension that serves as a precise sound level meter and spectrum analyzer. It measures ambient sound pressure, displays the spectrum, and lets you compare your recording to a built-in reference chart. Calibrated professionally, it supports dBa, dBb, dBc, and dBz for reliable readings. You can save recordings and spectrum data, keeping a history of your measurements for easy review.

Key features include accurate sound pressure measurement, support for multiple decibel scales, unlimited recordings, a reference chart for comparison, and a clean, intuitive interface designed for quick, reliable noise assessments.