Free Tool
Volume Test
Measure your browser audio level in real-time decibels. Play any audio and see the dB reading. Enable Hearably to see the boost.
-- dB
Waiting for audio...
-60dB -40dB -20dB 0dB
How to Test Hearably's Volume Boost
- Click "Start Measuring" above and allow microphone access
- Play a YouTube video at your normal volume
- Note the dB reading (your baseline)
- Open Hearably → click Enhance → set to 400%
- Watch the dB meter jump — that's real amplification
- Try 800% and see the full boost
Understanding dB Levels
30-50 dBQuiet room, whisper 50-70 dBNormal conversation, typical laptop 70-85 dBLoud music, boosted audio 85+ dBVery loud — hearing protection recommended
⚠️ A 6 dB increase = perceived doubling of loudness. Hearably at 400% adds ~12 dB (4x perceived loudness).