All Tools
Every free tool, in one place
Free, browser-based tools to clean, test and tune your phone, laptop or earbud audio — plus webcam, keyboard and other device checks. No app, no sign-up, nothing recorded.
Tools
Cleaning Tools
Tools
Audio Testing
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L/R Speaker Test
left right speaker test
Speaker Test
speaker test
Bass Test
bass test
Headphone Test
headphone test
Hearing Test
hearing test
Mic Test
mic test
dB Meter
db meter
Safe Volume Calculator
safe volume calculator
Audio Recorder
online audio recorder
Polarity Test
speaker polarity test
Surround Sound Test
surround sound test
Tools
Utilities & Skill Tests
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Webcam Test
webcam test
Keyboard Tester
keyboard tester
Screen Test
dead pixel test
Touch Screen Test
touch screen test
CPS Test
cps test
Typing Test
typing speed test
Text to Speech
text to speech
Vibration Test
vibration test
Camera & Mic Test
camera and microphone test
Tools