Best Developer & Web Tools

Measure noise in decibels with your microphone. Live dB meter with min, max and average, calibration and safe-exposure guidance. Free, private, no install.

Key Sound Level Test features:

Browser Decibel Meter Decibel Addition & Distance Calculators Online Hearing Age & Frequency Test Classroom Noise Monitor

freemium

Build and integrate a WYSIWYG editor in minutes. Eddyter offers fast setup, developer-friendly APIs, and seamless content editing for modern web apps today.

Key Eddyter features:

AI Chat Assistant AI Slash Commands: Bring Your Own AI Key Rich Text Formatting Toolbar

Try for free freemium $12 / Monthly Sponsored

All-in-one sound level meter, dosimeter & frequency analyzer.

Measure environmental noise levels in real-time with our free online sound meter. Detect quiet, noisy, or harmful sound levels instantly.

Key RealtimeSoundMeter.org features:

Free to Use No Installation Required Easy to Use Real-Time Monitoring

Use our free online sound level meter to measure noise and sound volume in real-time using your device mic. Check environmental decibels easily.

Professional sound level meter in your pocket! Features: ------- ¦ direct reading in dB.

Key Sound Meter features:

Ease of Use Portability Cost-Effective Immediate Feedback

dB Sound Level Meter and Noise Detector.

Key Decibel X features:

User-Friendly Interface Accuracy Real-Time Measurement Graphical Visualizations

Advanced online decibel meter providing accurate real-time sound measurements. FDA-compliant noise monitoring for workplace safety, hearing protection, and environmental assessment.

Key DecibelMeter.org features:

Free to Use No Installation Required Simple and Easy to Use Real-Time Measurement

Sound Meter & Noise Detector app lets users detect sounds and noises by using a built-in decibel meter to view the sound level and other levels of sounds.

Key Sound Meter & Noise Detector features:

Accessibility User-Friendly Interface Real-Time Measurement Cost-Effective

Professional online sound level meter for measuring decibel levels in real-time. Use your device's microphone to monitor noise levels, sound intensity, and acoustic measurements instantly.

Key Soundlevelmeter.org features:

Free Online Tool Easy to Use No Installation Required Real-Time Measurements

free

Free online sound test. Check your left/right speakers and headphones, run a 20 Hz–20 kHz sweep, and use our audio tools — tone generator, pitch detector, decibel meter. No sign-up.

Key SoundTest.app features:

Free and Accessible No Registration Required Cross-Platform Compatibility Simple Interface

Free online audio testing tools. Test your headphones, speakers, and microphone instantly. Stereo test, frequency test, bass test, and mic test - all in your browser.

Key Sound Tester features:

Free to Use No Installation Required Simple and Intuitive Interface Multiple Test Options