Microphone Tests
Mic Test Popular
Live waveform, level meter, pass/fail result
Online Microphone Test
No downloads, no sign-up required
Webcam & Mic Test
Camera and microphone combined test
Platform Tests
Mic Test for Zoom
Optimise for Zoom calls
Mic Test for Google Meet
Before Google video calls
Mic Test for MS Teams
Microsoft Teams audio check
Device & Screen Tests
Touch Screen Test New
Multi-touch, gestures, swipe & latency
Mobile Test
Sensors, screen, camera & audio on phone
Keyboard Test
Test every key online — free, instant
Mouse Test
Check all buttons and scroll wheel
Other Audio Tests
Headphone Test
Stereo, frequency and output test
Speaker Test
Check speaker balance and output
Echo Test
Detect echo and feedback issues
Bluetooth Mic Test
AirPods, wireless headsets
Gaming Headset Test
Discord, Xbox, PlayStation
Vocal Range Test New
Find your soprano, tenor, bass range free
MIDI Test New
Test MIDI keyboard and controller input
Game Tools
Gamepad Tester Popular
Test all buttons, axes and triggers in real time
Button Test New
Detect stuck or unresponsive inputs
Deadzone Test
Visualise stick deadzone and calibrate
Stick Drift Test
Detect drift on PS5, Xbox, Switch controllers
Spacebar Clicker Hot
CPS, reaction time and spacebar speed
Online Tools
Internet Speed Test New
Download, upload and ping speed free
Web Page Test New
Page performance and load time analysis
Mirror Test New
Use camera as mirror — flip, zoom & brightness
Vibration Test New
Test device vibration motor free online
Volume Meter
Real-time dB level meter with peak hold
Tools & Guides
Audio Recorder
Record and download audio clips
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Free Online MIDI Keyboard Tester - No Registration
Midi Tester Online MIDI Keyboard Tester Free Connect any MIDI device and test notes, velocity, CC, channels and more in real time.
The most advanced free online MIDI tester. Connect USB MIDI keyboards, controllers, pads and interfaces directly to your browser using the Web MIDI API. See every MIDI message in real time: note on and off events with velocity, control change values, program changes and pitch bend. Play an interactive on-screen piano keyboard with sound. No download, no sign-up, no registration required.
Live MIDI Input
On-Screen Piano
Velocity Display
CC Monitor
16 Channel View
100% Free
No download · No sign-up · Instant
MIDI_TESTER_PRO
IDLE
Status
Ready
Last Note
--
Velocity
--
Devices
0
Session Overview
MIDI Status
Not connected
Last Note
--
Velocity
--
Channel
--
Notes Played
0
Devices
0
MIDI Device Manager
Connected MIDI Input Devices
No MIDI devices detected. Click Connect MIDI Devices below to request access.
Interactive Piano Keyboard
Click keys or play your MIDI device — keys light up on MIDI input
Clicked
MIDI In
Octave
Volume
Waveform
Live Note Display
--
Current Note
MIDI Number
--
Octave
--
Velocity
--
Channel
--
Frequency
--
Status
Idle
Recent Notes Played
Live Waveform
Audio Output Waveform
MIDI Channel Monitor
Control Change (CC) Monitor
Live CC Values - Knobs, Sliders, Pedals and Pitch Bend
MIDI Message Log
Waiting for MIDI input...