All Tools
Every tool in one place — free, browser-based, no download needed.
Audio Tools
Headphone Test
Test left & right audio
Hear My Voice
Hear your voice live, zero latency
Speaker Test
Check if speakers work
Sound Test
Test sound output
Sound Meter
Measure sound levels in real-time dB
Audio Latency Test
Measure your audio output latency
Tone Generator
Generate sound tones
Hearing Test
Test your hearing with audiometry
MP3 Recorder
Record & download as MP3
Stereo Test
Test stereo channels