Free phone tools that run in your browser — no app needed
Clear water from your speaker, check your mic, find dead pixels and more. Everything runs on your device — nothing to install, nothing uploaded.
- Instant, no sign-up
- Private — processed on-device
- Made for phones
All tools
Speaker & sound tools
Speaker Cleaner (Water Eject)
Play low tones that help push small water droplets out of your speaker grille.
Speaker Dust Cleaner
Play alternating low and high bursts that help shake loose dust out of your phone speaker.
Earbuds Water Eject (AirPods & others)
Play water-eject tones through connected Bluetooth earbuds to help clear droplets from the mesh.
Speaker & Stereo Test
Play sound from the left, right or both speakers and check frequency response.
Headphone Test (Left/Right & Bass)
Check left and right channels, bass response and full frequency range on headphones and earbuds.
Microphone Test
Check your mic with a live waveform, level meter and 5-second recording.
Tone Generator
Generate any frequency from 20 Hz to 20,000 Hz with sine, square, sawtooth or triangle waves.
Screen & hardware tests
Dead Pixel & Screen Test
Cycle full-screen colours to spot dead, stuck or discoloured pixels.
Screen Burn-In Test
Full-screen grey, white, black and colour fills to spot OLED burn-in and ghosting.
Touch Screen Test
Swipe over a full-screen grid to find unresponsive areas and count touch points.
Vibration Test
Check your vibration motor with short, long and pattern buzzes.
Guides
How to get water out of your iPhone speaker
Step-by-step, honest advice for clearing water from an iPhone speaker — what works, what doesn't, and when to get help.
How to get water out of your Android speaker
Practical steps to clear water from Samsung, Pixel and other Android phone speakers safely.
Why does my phone speaker sound muffled?
The common causes of muffled phone audio — water, dust, cases, settings and hardware — and how to fix each one.
Liquid detected in iPhone charging port: what it means and what to do
Seeing “Liquid Detected” on your iPhone? What the alert means, how long to wait, the emergency override, and what not to do while the port dries.
Samsung “moisture detected” in charging port: what it means and how to fix it
Why your Galaxy shows a moisture warning or water drop icon, how to dry the USB port safely, false alarms, and when to contact Samsung.
Phone fell in water? What to do in the first 10 minutes (and why not rice)
Dropped your phone in water? Calm first steps for the first 10 minutes, why rice is a bad idea, salt and pool water, drying, and when to get it repaired.
How to clean dust and lint out of your phone speaker safely
Get dust, lint and pocket debris out of your phone speaker and earpiece safely: soft brush, the tape trick, what not to poke, and the dust cleaner tone.
Phone mic not working in calls but works on speaker? How to fix it
People can’t hear you on calls but your mic works elsewhere? Learn which mic does what, how to test each one, and the settings, cases and apps to check.