Description

RealtimeSoundMeter.org is a free, professional-grade online tool that turns your device into a precise decibel meter. Using advanced Web Audio API technology, it measures environmental noise levels in real-time directly through your browser—no app installation required.

Key Features:

- Instant Decibel Monitoring: Detect quiet, moderate, and harmful noise levels with accurate dB readings.
- Privacy-First Design: All audio processing happens locally on your device; no sound is ever recorded or uploaded.
- Comprehensive Analysis: View real-time frequency spectrums and historical data charts to understand your acoustic environment.
- Health & Safety Guidelines: Integrated with NIOSH and WHO standards to help you protect your hearing from noise pollution.
- Additional Tools: Includes a medical-grade Online Hearing Test and a Speaker Test tool for audio equipment calibration.
Whether you're checking classroom noise, testing home appliances, or monitoring workplace safety, Sound Meter provides accessible, reliable acoustic data on any device