Whether you're about to hop on a video call, buying a used laptop or troubleshooting a new device, or just checking your device specifications, these tools let you check it right in your browser — no accounts, no installs.
Most tools process data locally in your browser. When camera, microphone, Bluetooth, or USB access is required, your browser will always ask for permission before allowing access.
Pick a category below, or jump straight to the tool you need.
Popular Tools
- Vibration Test
- Webcam Test
- Speaker Test
- My PC Specs
- What Is My Graphics Card
- Microphone Test
- Monitor Refresh Rate Test
Mobile Sensors
Check the sensors built into your phone without installing a single app.
- Touch Screen Test — Test multi-touch points, swipe accuracy, and dead zones so you can confirm every part of your screen responds.
- Gyroscope Test — View live alpha, beta, and gamma rotation data with a 3D tilt visual, compass, and bubble level.
- Vibration Test — Test your phone's vibration motor with preset patterns, a custom duration, or your own custom sequence.
Camera & Video
Test your webcam, preview your camera, and confirm it's ready before joining meetings or recording videos.
- Webcam Test — Check if your camera is working, see its resolution and frame rate, view device details, and snap a quick photo to confirm the picture looks right.
- Webcam Mirror — Turn your webcam into a real-time mirror. Flip the image horizontally or vertically and run it at your camera's full resolution.
Audio & Sound
Track down crackly speakers, dead earbuds, or a mic that isn't picking up your voice.
- Speaker Test — Play tones through your left and right speakers to confirm stereo balance and catch a channel that's gone quiet. Works well alongside the Headphone Test and Microphone Test when troubleshooting audio devices.
- Headphone Test — Check each earcup separately, confirm true stereo sound, and spot swapped left/right channels.
- Microphone Test — Watch a live volume meter and waveform to confirm your mic is actually picking up sound, and switch between input devices if you have more than one.
- Voice Recorder — Record audio online with a live waveform, session stats, and an instant download when you're done. No sign-up needed.
Mouse & Keyboard
See exactly how your input devices respond, click by click.
- Mouse Test — Test every button — left, right, middle, back, forward — plus scroll direction, with live visual feedback and an activity log.
- Mouse Drag Test — Check drag-and-drop accuracy with real-time coordinates, speed, direction, and distance as you drag.
- Spacebar Clicker — Test how fast you can hit the spacebar. Tracks total clicks, clicks per second, clicks per minute, and your best score.
PC Specs & Hardware Info
View your computer's hardware, operating system, browser, graphics card, memory, display, and other system information without installing software.
- My PC Specs — See your browser, OS, screen resolution, CPU cores, RAM, GPU, battery status, network info, and storage in one place.
- What Is My Graphics Card — Identify your GPU's brand, model, and name, including primary and secondary cards, whether it's NVIDIA, AMD, Intel, or Apple.
- How Much RAM Do I Have — Check your device's total memory and watch live RAM usage as you work.
- Monitor Refresh Rate Test — Measure your screen's actual refresh rate — 60Hz, 120Hz, 144Hz, 240Hz and beyond — along with frame time and timing stability.
Browser Tools
Understand exactly what your browser is running and what it's allowed to access.
- What Is My Browser — Detect your browser name, version, rendering engine, OS, and which web features it supports.
- Browser Permissions — See the live status of every browser permission — camera, microphone, location, notifications, Bluetooth, clipboard, and more.
Connectivity
Make sure your ports and wireless connections are actually working before you need them.
- USB Port Test — Plug a device into each USB port and watch it get detected instantly, confirming every port on your laptop works.
- Bluetooth Test — Scan for nearby Bluetooth devices, view GATT service details, and confirm your adapter is functioning.
Screen & Display
Test your monitor, display colors, brightness, and refresh rate with full-screen color tools.
- White Screen — Fill your screen with pure white for dead pixel checks, screen cleaning, or a bright light source.
- Black Screen — Check for backlight bleed, stuck pixels, and screen uniformity against a full black display.
- Red Screen — Spot dead or discolored pixels that show up clearest against solid red.
- Green Screen — Use as a chroma key background or check pixel uniformity in green.
- Blue Screen — Check display color accuracy and pixel consistency against solid blue.
Key Features
- Free to use
- No installation
- Works on Windows, macOS, Linux, Android & iPhone
- Chrome, Firefox, Edge & Safari supported
- Browser-based
- Regularly updated
Frequently Asked Questions
Do these tools work on mobile?
Yes. Most tools work on Android and iPhone browsers, and sensor-based tools like Gyroscope Test and Vibration Test are built specifically for mobile devices.
Do I need to install anything?
No. Every tool runs directly in your browser — no apps, extensions, or software downloads required.
Are these tools free?
Yes, all tools on this page are completely free to use.
Which browsers are supported?
Chrome, Firefox, Edge, and Safari are all supported. Some features (like Bluetooth or USB detection) depend on what your specific browser allows.
Is my camera or microphone data stored?
No. These tools process camera, microphone, and other data locally in your browser. Your browser will always ask permission before granting access to a device.
WhiteScreenHD is continually expanding its collection of browser-based testing tools. Whether you're diagnosing hardware problems, checking device compatibility, or verifying browser features, you'll always find fast, free tools that work directly in your browser.