Webcam Test

Test your webcam online in seconds — before meetings, calls, interviews, or streaming. Run a camera test to check resolution, FPS, and video quality, take screenshots, and switch between cameras. No download required. Works on Windows 11, Windows 10, macOS, Linux, and ChromeOS.

Live Preview
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Click "Start Webcam Test" to begin.

Click "Start Webcam Test" to begin.

Resolution
FPS
Aspect Ratio
Facing Mode
Diagnostic SummaryPartialHealth: 50/100

Test is partially complete. Continue testing for a full diagnosis.

Possible Causes

  • Test has not started. Grant permission and click "Start Test".

Recommended Next Steps

  1. 1Allow microphone or camera access when the browser prompts you.
  2. 2Click "Start Test" to begin measuring.

Complete Webcam Test for Resolution, FPS & Video Quality

Need to test your webcam before an important call or recording? This free webcam test tool lets you perform a full camera check online in seconds. Test webcam resolution, check real-time FPS, take screenshots, and switch between multiple cameras — all without installing any software. Whether you want to test a USB webcam, check a built-in laptop camera, or run a camera quality test online, this tool covers every scenario.

Understanding Your Webcam Test Results

1080p at 30+ FPS — Excellent

Your webcam is delivering Full HD resolution at a smooth frame rate. This is ideal for video calls, streaming, and recording. Your camera is working perfectly.

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720p at 24-29 FPS — Acceptable

Your webcam is working but at a lower resolution or frame rate. This is fine for casual calls but may not look sharp for streaming or professional recordings. Check if another app is limiting the camera.

Low FPS or Choppy Video — Problem

If your FPS is below 20, your video will appear choppy. Causes include poor lighting, USB bandwidth limits, high CPU usage, or another app using the camera. Close other apps and improve lighting.

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Resolution Lower Than Expected

If your camera shows 640×480 instead of 1080p, another application may be holding it at a lower resolution. Close all camera apps (Zoom, Teams, OBS), refresh this page, and test again. Also check your camera driver settings.

Why Use Our Online Webcam Test

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Live Video Preview

Real-time camera preview with instant feedback. See exactly what your webcam captures before joining calls or starting recordings.

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Resolution Detection

Automatically detects your camera resolution — from VGA (480p) to Full HD (1080p) and 4K. Know if your webcam is delivering the quality you expect.

Real-Time FPS Monitor

Live FPS counter shows your actual frame rate. Identify choppy video, dropped frames, and performance issues before they affect your calls.

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Screenshot Capture

Take a snapshot from your webcam and download it instantly. See how you look on camera, check framing, and adjust lighting before going live.

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Multi-Camera Switching

Switch between multiple cameras instantly. Perfect for systems with both a built-in camera and an external USB webcam.

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Mirror Mode

Toggle mirror view to see yourself as you appear in a mirror — useful for checking framing, lighting, and background before video calls.

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Detailed Device Info

Displays camera name, resolution, aspect ratio, facing mode, and megapixel count — essential for verifying your webcam is configured correctly.

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Cross-Platform

Runs on Windows, macOS, Linux, ChromeOS, Android, and iOS. Works in Chrome, Edge, Firefox, Safari, and Opera.

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100% Privacy-First

All testing happens locally in your browser. Video is never uploaded. Screenshots are generated client-side and never sent to any server.

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Diagnostic Summary

After testing, get an AI-powered diagnostic summary with possible causes and recommended next steps — no more guessing what went wrong.

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Health Score & Coverage

See a 0-100 health score and test coverage progress bar. Know exactly how healthy your webcam is.

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Trend Tracking

Your test history is saved locally. When you test again, see if your webcam health improved or worsened over time.

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Report Export

Export your diagnostic report as PDF, copy a text summary, or generate a shareable URL. Perfect for tech support.

Supported Scenarios & Limitations

Quickly check whether Webcam Test is the right tool for your needs. The lists below show exactly what this browser-based tool can and cannot do.

Works With

  • USB webcams (Logitech C920, Brio, Razer Kiyo)
  • Built-in laptop cameras (MacBook, Dell, HP)
  • External cameras and capture cards
  • DSLR cameras (via Canon/Sony/Nikon webcam utility)
  • Multiple camera switching
  • Resolution detection (720p, 1080p, 4K)
  • Real-time FPS monitoring
  • Screenshot capture
  • Mirror/flip preview
  • Front and rear cameras on mobile

Not Supported

  • Repair camera hardware (lens, sensor, cable)
  • Update or install webcam drivers
  • Record video or stream to platforms
  • Fix lens or sensor physical issues
  • Diagnose USB controller or motherboard failures
  • Test cameras that are disconnected or disabled in BIOS

Webcam Test only verifies whether input events reach the browser. It cannot determine whether a failure is caused by hardware, drivers, firmware, or the operating system.

How Our Online Webcam Test Works

Our webcam tester runs entirely in your web browser using the getUserMedia API for camera access and the Canvas API for screenshot capture and resolution analysis.

Step 1: Requesting Camera Access

When you click "Start Webcam Test", your browser requests permission to access your camera via navigator.mediaDevices.getUserMedia({ video: true }). The browser shows a permission dialog — you must click "Allow" to proceed. This permission is per-site and can be revoked at any time in your browser settings.

Step 2: Real-Time Video Preview

Once access is granted, the camera stream is connected directly to a <video> element for live preview. The stream's video track settings are read to extract resolution (width × height), frame rate, aspect ratio, and facing mode. This information is displayed in the Device Info panel.

Step 3: FPS Monitoring

We use requestAnimationFrame to count rendered frames per second. The FPS counter updates every second, giving you an accurate real-time measurement of your camera's actual frame rate. This helps identify performance issues like dropped frames, USB bandwidth limitations, or CPU bottlenecks.

Step 4: Screenshot Capture with Canvas

When you click "Screenshot", a frame from the video stream is drawn onto a <canvas> element at the camera's native resolution. The canvas content is then converted to a PNG image using canvas.toDataURL(). This image can be downloaded to your device. The entire process happens locally — the image is never uploaded to any server.

Common Webcam Problems You Can Detect with This Test

📷 No Video / Camera Not Detected

The preview shows a black screen or the idle placeholder. Causes: camera permission denied, no camera connected, camera disabled in OS privacy settings, or hardware failure. Check the device info in our tool and verify the correct camera is being used.

🔒 Camera In Use By Another App

You see a "camera in use" error or the video doesn't appear. This happens when Zoom, Microsoft Teams, OBS, Discord, or another application has exclusive access to the camera. Close all apps that might be using the camera, then refresh this page and try again.

📉 Low Resolution

Your 1080p camera only shows 640×480. Causes: another application is limiting the camera resolution, the camera driver is outdated, or the browser is defaulting to a lower resolution. Close other camera apps, update your camera driver, and try again.

⚡ Low FPS / Choppy Video

Your FPS is below 20 and the video looks choppy. Causes: poor lighting (the camera reduces FPS in low light), USB bandwidth limitations (try a different USB port or plug directly into the computer), high CPU usage, or outdated camera drivers. Improve lighting and close unnecessary applications.

🌫️ Blurry or Poor Quality

The video looks blurry or pixelated. Causes: dirty camera lens (clean with a microfiber cloth), low resolution, poor lighting, slow USB connection (use USB 3.0 instead of USB 2.0), or a low-quality camera. Check the resolution in our tool and clean your lens.

🔄 Wrong Camera Selected

Your computer may default to a low-quality built-in camera instead of your external USB webcam. Use the camera switcher dropdown in our tool to select the correct camera. You can also change the default camera in your OS settings: Windows (Settings > Bluetooth & devices > Cameras) or macOS (System Settings > Camera).

🌑 Dark Video

The video preview is too dark. Webcams struggle in low-light conditions. Add more lighting — a desk lamp, ring light, or natural light from a window. Position the light source in front of you, not behind. Also check if your camera has a brightness or exposure setting in its driver software.

🥶 Camera Works in Browser But Not in Apps

Your camera works in our webcam test but not in Zoom, Teams, or other apps? This usually means the app has selected a different camera or doesn't have camera permission. On Windows 11, go to Settings > Privacy & security > Camera and make sure "Let desktop apps access your camera" is enabled. Also check the video settings within the specific app.

Supported Camera Types & Device Compatibility

Supported Camera Types

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Built-in Camera
Laptop and all-in-one cameras
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USB Webcam
Logitech, Microsoft, Razer
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DSLR / Mirrorless
Canon, Sony, Nikon webcam mode
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Mobile Camera
Phone and tablet cameras
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Capture Card
Elgato, AVerMedia, OBS
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VR Headset
Oculus, Vive passthrough
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Document Camera
IPEVO, Elmo
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Multi-Camera
Switch between cameras

Supported Operating Systems & Browsers

Operating Systems
Windows 10/11macOSLinuxChromeOSAndroidiOS
Browsers
ChromeEdgeFirefoxSafariOpera

Privacy & Security

This webcam tester is designed with privacy as the top priority. The tool uses the browser's getUserMedia() API to access your camera, which requires explicit permission — no video is accessed without your consent. All video processing (resolution detection, FPS monitoring, preview rendering) happens locally in your browser.

When you take a screenshot, the image is generated entirely on your device using the Canvas API. The screenshot is never uploaded to any server, never stored in a database, and can only be downloaded to your local device. The live video stream is displayed in real-time and is never recorded or stored.

The tool does not require any account, login, or personal information. No video — live or captured — ever leaves your device. You can revoke camera permission at any time through your browser's site settings by clicking the camera icon in the address bar.

Webcam Test FAQ

How do I test if my webcam is working?

Click "Start Webcam Test" above and allow camera permission when prompted by your browser. Once connected, you should see a live video preview of yourself. The tool will immediately display your camera resolution, FPS (frames per second), and aspect ratio. If you don't see any video, your webcam may not be working, may be in use by another application, or the wrong camera may be selected. Check your system camera settings to ensure the correct device is set as default. This is the easiest way to test your webcam online — no software installation required.

How do I test my webcam before a Zoom or Teams meeting?

Before joining a video call, open this webcam test page in your browser and click "Start Webcam Test". Verify that the correct camera is being used (check the Device Info section), confirm the resolution and FPS look good, and take a screenshot to check how you appear on camera. If the video looks dark, add more lighting. If the resolution is low, close other apps that may be using the camera. Once you're satisfied, close this page and open Zoom or Teams — your camera will be ready. This pre-call webcam check ensures you never join a meeting with a broken or misconfigured camera.

Why is my webcam not working in the browser?

Common causes include: (1) camera permission denied — click the camera icon in your browser's address bar and allow camera access. (2) Another application (like Zoom, Teams, OBS, or Discord) is using the camera exclusively — close it and try again. (3) The wrong camera device is selected — use the camera switcher in our tool to try a different one. (4) The camera is disabled in your OS privacy settings. (5) Outdated or missing camera drivers — update them from your device manufacturer's website. (6) The browser needs to be updated to the latest version.

Why is my webcam video quality poor or blurry?

Poor webcam quality can be caused by: (1) a dirty lens — clean it with a microfiber cloth. (2) Low resolution selected — check the resolution in our tool; if it shows 640×480 instead of 1920×1080, your camera may be defaulting to a lower resolution. (3) Poor lighting — webcams reduce quality in low light. Add more light or use a ring light. (4) Slow USB connection — if using a USB hub, plug the camera directly into the computer. (5) Another app limiting the camera — close Zoom, Teams, or OBS before testing. (6) Outdated camera drivers — update them from the manufacturer's website.

Why is my webcam FPS low or choppy?

Low FPS (below 24) can be caused by: (1) poor lighting — webcams lower FPS in dark conditions to increase exposure time. Add more light. (2) USB bandwidth limitations — if using a USB hub or USB 2.0 port, plug the camera directly into a USB 3.0 port. (3) High CPU usage — close other applications and browser tabs. (4) Another application is using the camera at a lower frame rate. (5) The camera itself may have a low maximum FPS — check the Device Info section for the actual frame rate. Our tool shows real-time FPS so you can verify improvements as you adjust settings.

Why does my webcam show a black screen?

A black screen usually means the camera is connected but not producing video. Common causes: (1) a privacy shutter or lens cap is closed — check your webcam for a physical shutter. (2) The camera is being used by another application — close Zoom, Teams, OBS, or Discord and try again. (3) The camera driver has crashed — try unplugging and replugging the camera, or restarting your computer. (4) The browser permission was granted but the camera failed to initialize — refresh the page and try again. (5) The camera is disabled in BIOS/UEFI settings on some laptops.

Can this webcam tester detect hardware damage?

No. This tool only verifies whether a video stream reaches the browser — it cannot determine the physical cause of a camera failure. If your webcam shows a black screen or poor quality, the problem could be a cracked lens, a damaged sensor, a faulty USB cable, or a driver issue, but our tool cannot tell you which one. What it can do is confirm whether the camera is producing a video stream and what resolution and FPS it delivers. For physical damage diagnosis, consult the manufacturer or test with a different camera.

Can it fix or update webcam drivers?

No. This is a diagnostic tool, not a repair tool. It cannot install, update, or troubleshoot webcam drivers. What it can do is help you identify whether your camera is working, what resolution and FPS it delivers, and whether the video quality looks acceptable. If the camera isn't working, you can try updating drivers from the manufacturer's website (Logitech, Microsoft, Razer), checking Device Manager on Windows, or restarting the camera service. Our tool helps you verify whether those fixes worked.

Can it record video or stream to platforms?

No. This tool is designed for testing, not recording or streaming. It does not record video, save streams, or broadcast to platforms like YouTube, Twitch, or Zoom. What it can do is take a single screenshot of the current camera view for quality verification. For video recording, use OBS Studio, Zoom, or your operating system's built-in camera app. For streaming, use OBS Studio or Streamlabs. Our tool helps you verify your camera works before using those applications.

Can I test a USB webcam?

Absolutely. This tool works with any camera that your computer recognizes — USB webcams (like Logitech C920, Brio, Razer Kiyo, Microsoft LifeCam), built-in laptop cameras, external DSLR cameras used as webcams (via Canon EOS Webcam Utility, Sony Imaging Edge, or Nikon Webcam Utility), and capture card inputs. The tool will display the camera's name, resolution, and frame rate so you can verify the correct device is being used. Just plug in your camera, click "Start Webcam Test", and test your webcam instantly.

Can I test a Logitech, Razer, or external camera?

Yes. This tool works with any camera brand — Logitech (C920, C922, Brio, StreamCam), Razer (Kiyo, Kiyo Pro), Microsoft (LifeCam), Elgato (Facecam), and external cameras connected via USB or capture cards. The tester uses the standard getUserMedia API, which detects any camera the operating system recognizes. Even DSLR cameras used as webcams (via Canon EOS Webcam Utility, Sony Imaging Edge, Nikon Webcam Utility) will work. Just select the correct camera from the device dropdown.

Can I test my webcam on mobile?

Yes. This tool works on mobile browsers (Chrome for Android, Safari for iOS). You will need to grant camera permission when prompted. On mobile, you can test both the front-facing (selfie) camera and the rear camera using the camera switcher. Note that mobile browsers may limit the maximum resolution available to web apps. To test your webcam on a phone or tablet, just open this page in your mobile browser and tap "Start Webcam Test". The facing mode indicator will show whether you are using the "user" (front) or "environment" (rear) camera.

Can I switch between multiple cameras?

Yes. If your computer has multiple cameras (e.g., a built-in laptop camera and an external USB webcam), our tool will detect all available cameras and display a camera switcher dropdown. Simply select a different camera from the dropdown to switch to it instantly. This is useful for testing multiple webcams, comparing camera quality, or switching between a built-in camera and an external webcam. The tool will update the device info, resolution, and FPS for the newly selected camera automatically.

Does this webcam test work on Mac, Windows, and Linux?

Yes, our webcam tester works on all major operating systems — Windows 11, Windows 10, macOS, Linux, and ChromeOS — as long as you use a modern web browser (Chrome, Edge, Firefox, Safari, or Opera). The test uses the standard getUserMedia API, which is universally supported. Built-in laptop cameras, USB webcams (Logitech, Microsoft, Razer), and external cameras all work. On macOS, you may need to grant camera permission in System Settings > Privacy & Security > Camera before the browser can access it.

What is a good webcam resolution and FPS?

For video calls (Zoom, Teams, Google Meet), 720p (1280×720) at 30 FPS is the minimum acceptable quality. For streaming and recording, 1080p (1920×1080) at 30 or 60 FPS is recommended. Our tool displays both your actual resolution and real-time FPS. If your FPS is below 24, your video may appear choppy — this can be caused by poor lighting, USB bandwidth limitations, or high CPU usage. If your resolution is lower than expected, check if another application is limiting the camera to a lower resolution.

Does this webcam tester record my video?

No. This tool does not record or store any video. The live preview is displayed in real-time and is never saved. When you take a screenshot, the image is generated locally in your browser using Canvas and can be downloaded to your device — it is never uploaded to any server. When you close or refresh the page, all data is permanently deleted. The real-time FPS counter and resolution detection do not capture or store any video frames.

What is the diagnostic summary and health score for my webcam?

After testing, our diagnostic engine analyzes your webcam test results and generates a summary with possible causes and recommended next steps. The health score (0-100) combines test coverage (40%), severity of issues found (40%), and stability metrics like FPS variance (20%). A score of 90+ means your webcam is in excellent condition.

Can I track my webcam health over time?

Yes. Our tool saves your test results locally in your browser using localStorage — no data is sent to any server. When you test again, a trend indicator shows whether your webcam health improved or worsened compared to your last test.

Can I export or share my webcam test report?

Yes. After testing, you can export your diagnostic report in three ways: (1) Copy a text summary to your clipboard, (2) Export to PDF using your browser's native print dialog, or (3) Generate a shareable URL. All exports are generated locally and contain no personal data.

Quick Summary

Webcam Test is a free online webcam test tool that lets you test your camera in your browser — check resolution, FPS, and video quality, take screenshots, and switch between multiple cameras. Using the secure getUserMedia API, all video processing happens locally with zero uploads. Use this webcam checker before video calls, interviews, or streaming to ensure your camera is working perfectly. No download, no signup, works on Windows, Mac, Linux, and mobile.

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