Sound problem? Fix it in one tap.
Every tool runs instantly in this page — speaker cleaning, water eject, tone and noise generators, microphone checks and live sound meters.
Clean & Repair
4Speaker Cleaner
Shake dust and debris out of a muffled speaker.
Open tool →Clean & RepairWater Eject
Push trapped water out of your phone speaker.
Open tool →Clean & RepairBuzzing Speaker Test
Find the frequency where your speaker rattles.
Open tool →Clean & RepairSound Distortion Test
Hear whether your speaker clips or breaks up.
Open tool →Test
12Speaker Test
Check both speakers actually play.
Open tool →TestHeadphone Test
Full check of both headphone drivers.
Open tool →TestEarbud Test
Confirm both earbuds work equally.
Open tool →TestLeft Right Audio Test
Check your channels are not swapped.
Open tool →TestHeadphone Left Right Test
Verify left and right on headphones.
Open tool →TestStereo Test
Check stereo separation and centre image.
Open tool →TestBass Test
Find the lowest note your speaker can play.
Open tool →TestTreble Test
Check the high end of your speakers.
Open tool →TestAudio Volume Test
Set a safe, even listening level.
Open tool →TestEarphone Volume Test
Check your earphones are loud enough — and not too loud.
Open tool →TestHeadphone Sound Test
Full-range sound check for headphones.
Open tool →TestAudio Frequency Test
Play any exact frequency you need.
Open tool →Generate
7Tone Generator
A clean tone at any frequency and shape.
Open tool →GenerateFrequency Generator
Hold an exact frequency indefinitely.
Open tool →GenerateFrequency Sweep
Sweep smoothly across the whole range.
Open tool →GenerateWhite Noise Generator
Steady white noise for focus and sleep.
Open tool →GeneratePink Noise Generator
Softer, deeper noise for sleep and speaker checks.
Open tool →GenerateUltrasonic Sound Generator
High frequencies above normal hearing.
Open tool →GenerateLow Frequency Generator
Deep bass tones from 10 Hz upwards.
Open tool →Measure
7Hearing Frequency Test
Find the highest frequency you can hear.
Open tool →MeasureMicrophone Test
Check your mic is picking up sound.
Open tool →MeasureMicrophone Volume Test
See how loud your mic input really is.
Open tool →MeasureMicrophone Recorder
Record and play back your own voice.
Open tool →MeasureNoise Meter
Measure how loud the room is.
Open tool →MeasureSound Level Test
Check a sound level quickly.
Open tool →MeasureWaveform Visualizer
See any sound drawn in real time.
Open tool →How to use SpeakerTonic
Every tool works the same way — open it, press start, and listen. Nothing to install, nothing to sign up for.
Pick your tool
Browse by category above or search for what you need — water eject, tone generator, microphone test and more.
Allow access if asked
Microphone tools ask for permission first. Your audio is processed on this device only and is never recorded or uploaded.
Press start
The tool runs instantly. Adjust volume, frequency or level while it plays, and follow the on-screen tips for best results.