FREE ONLINE DEVICE TOOLS

Check your technology with confidence.

Private, browser-based tests for the devices you use every day. No installs, no accounts, and no data uploaded.

ALL TOOLS

Quick device checks, right in your browser

Choose a tool to start a private test.

INPUT DEVICE

Keyboard Tester

Test every key, modifiers, navigation keys, and numpad in real time.

  • Instant physical-key detection
  • Full keyboard layout
  • Private in your browser
Open Keyboard Tester

AUDIO DEVICE

Speaker Tester

Play a safe test tone through the left, right, or both speaker channels.

  • Left and right channel checks
  • Adjustable test tone
  • Save a local result image
Open Speaker Tester

AUDIO DEVICE

Microphone Tester

Check microphone input, live volume and optional local recording privately.

  • Live waveform and input meter
  • Choose your microphone device
  • Local-only recording playback
Open Microphone Tester

POWER DEVICE

Battery Tester

View current charge and charging information from your browser.

  • Live battery status when supported
  • Honest browser limitations
  • Desktop health diagnostics guidance
Open Battery Tester

VIDEO DEVICE

Camera Tester

Check your webcam preview, camera device, resolution, and frame rate locally.

  • Live camera-stream verification
  • Snapshot and mirror controls
  • Save a local result image
Open Camera Tester

INPUT DEVICE

Mouse Tester

Test mouse buttons, scroll input, movement, dragging and double-clicks privately.

  • Five-button event detection
  • Movement and drag check
  • Local browser results
Open Mouse Tester

WINDOWS DESKTOP APP

TechCheck360 Battery Health

Get deeper local battery diagnostics: designed and full-charge capacity, health, wear, cycle count, and a Windows battery report where supported.

Download for Windows

HOW IT WORKS

Start, test, and save when needed

Open a tool, allow only the permission it requires, then use the on-screen controls to verify your device.