All tools
32 free tools
Screen & Display
Dead Pixel Test
Find dead pixels, stuck pixels and burn-in on your Android display using full-screen solid colors.
Open toolTouchscreen Test
Map the entire touch surface and find dead zones, multi-touch failures and unresponsive areas.
Open toolRefresh Rate (Hz)
Find out if your Android screen is running at 60, 90, 120 or 144 Hz and test rendering stability.
Open toolGhost Touch Detector
Find out whether your Android screen registers phantom touches you never made.
Open toolUniformity & Lines
Gradients and patterns that reveal banding, backlight bleed and dead lines on the display.
Open toolAudio & Sound
Speaker Cleaner
Plays a tone that vibrates the speaker to eject water and dust stuck in your phone's speaker grill.
Open toolSpeaker Test
Test left and right channels separately and sweep frequencies to detect crackling and lost highs.
Open toolMicrophone Test
See the live waveform captured by your phone's microphone and confirm it is working.
Open toolSensors
Sensor Test
Check your Android's gyroscope, accelerometer and compass with an interactive bubble level and compass.
Open toolVibration Test
Fire different vibration patterns and check whether your Android's vibration motor works.
Open toolGPS Test
See your live coordinates, accuracy, altitude and speed to test the device's GPS.
Open toolCamera
Camera Test
Turn on the front and rear cameras right in the browser to check focus, sharpness and lens smudges.
Open toolQR Code Scanner
Scan any QR code with your phone's camera right in the browser, no app needed.
Open toolFlashlight / Flash
Turn on the rear camera LED from the browser and test whether your Android's flash works.
Open toolIR Remote Tester
Use the front camera to see whether a remote control's infrared LED is firing.
Open toolConnectivity
System & Info
Device Info
See resolution, density, CPU cores, memory, GPU, connection and more, all read from your device.
Open toolSecret Codes
A list of dialer codes (USSD/MMI) to open hidden test menus, view the IMEI and diagnose your Android.
Open toolBattery Status
Track battery level, charging state and estimated time to full or empty in real time.
Open toolSoftware & ADB
ADB Command Generator
Build official ADB commands to reboot, screenshot, list apps and remove bloatware, ready to copy and paste.
Open toolGuided Troubleshooter
Answer a few questions about your Android's symptom and get a personalized step-by-step fix.
Open toolFastboot Commands
Build official fastboot commands to diagnose, reboot and read device information.
Open toolLogcat Analyzer
Paste Android logs and automatically highlight fatal errors, crashes and warnings.
Open toolPDF Report
Mark tests as passed or failed and generate a professional PDF report, great for buying, selling or repairing.
Open toolCalculators
DPI/PPI Calculator
Calculate the pixel density (PPI) of a screen from its resolution and size, with the Android density class.
Open toolBattery Health
Calculate your Android battery health by comparing current capacity with factory capacity, and know when to replace it.
Open toolStorage Converter
Convert between bytes, KB, MB, GB and TB using the binary standard Android uses.
Open toolDownload Time
Calculate how long a file takes to download from its size and your internet speed.
Open toolAspect Ratio
Find the aspect ratio (16:9, 20:9...) and total pixel count from a screen resolution.
Open tool