Tools
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Audio
Speaker Cleaner
Play a 165 Hz water eject sound to push water and dust out of your phone speaker.
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Audio
Tone Generator
Play any frequency from 1 Hz to 22 kHz, including a 1000 Hz test tone, with left/right output.
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Screen
Dead Pixel Test & Fixer
Fill your screen with solid colors to find dead or stuck pixels, then try the stuck pixel fixer.
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Audio
Left Right Audio Test
Check that left and right sound play on the correct side, with an auto test, stereo sweep and phase test.
Why FixAndTest?
- Works instantlyOpen a tool and use it. Nothing to download or install.
- Private by designTools run in your browser. Sound, camera and screen data never leave your device.
- Any deviceBuilt for phones first, and works just as well on tablets and computers.
- FreeEvery tool is free to use, as often as you need.