NoiseCurbFree noise tools
They run in your browser. Nothing to install and nothing to sign up for.
Noise diagnostic
Five questions that tell you which of the three noise problems you actually have, before you spend anything.
Open tool →Decibel chart
How loud everyday sounds are, and how long you can safely listen to each one.
Open tool →Safe listening calculator
Enter a sound level and time. See your daily noise dose under NIOSH and OSHA rules.
Open tool →Wall, door and window finder
Compare real assemblies by STC and by low-frequency behavior, with renter-only filtering.
Open tool →