Camera Test is a 100% free, in-browser webcam diagnostic tool that checks your camera's resolution, frame rate, megapixels, image quality, microphone and more in about five seconds, without uploading any video.
What is Camera Test?
Camera Test (camera-test.com) is a web-based diagnostics tool for checking webcams and built-in cameras. You open the page, press Start Webcam Test, allow browser camera access, and the tool measures the live stream's resolution, FPS, megapixels, image quality and microphone level, then shows results in on-screen panels. It works entirely in the browser using the getUserMedia API and runs on any modern OS; no account or download is required.
Key Features
- Live camera insights: Reports connected device name, FPS, resolution, megapixels, brightness, saturation, dominant hue, sample timestamp (every 1.5 seconds) and audio detection in real time.
- Stream diagnostics: Shows the MediaStream constraints requested from the browser versus the actual delivered resolution and frame rate.
- Snapshot capture: Lets you take a PNG still image from the camera, useful for profile photos or driver checks; PNG and JPEG sizes are reported for the snapshot.
- No upload or storage: Video frames are processed locally on a canvas; the page sends nothing to a server, and closing the tab deletes the test session.
- Broad device support: Compatible with USB webcams, built-in laptop cameras, OBS virtual cameras and capture cards on Chrome, Edge, Firefox, Safari 14+, Brave and Opera, as well as Android and iOS 14.3+ mobile browsers.
- Supports 4K resolution: The test reads up to 4K (3840x2160) streams if your camera delivers one.
- 15+ metrics per test: Includes aspect ratio, facing mode ('user' vs 'environment'), color info and a measured frame rate cross-checked against advertised capabilities.
- Sister tools: The same site also hosts 20 other free browser tests for microphone, speaker, keyboard, display, mouse, network, GPU, CPU, memory, storage, and device permissions.
Who is it for?
- Remote workers: Quickly confirm camera, mic and lighting before joining Zoom, Google Meet or Microsoft Teams calls without the 'can you see me?' delay.
- Job seekers: Check webcam framing and audio before video interviews on platforms like HireVue, Karat or Codility.
- Streamers and creators: Verify resolution and FPS before going live on Twitch, YouTube, TikTok or Kick, and test the OBS virtual camera.
- IT and support teams: Diagnose whether a remote user's camera problem is the hardware, the browser or permissions by sharing the camera-test link.
Use cases
- New webcam buyers: Verify that a new Logitech, Razer or Elgato camera actually delivers the resolution and frame rate claimed on the box.
- Students: Confirm the camera works for online exams, proctored tests or virtual classrooms on Zoom, Google Classroom or Proctorio.
- Troubleshooters: Follow the built-in troubleshooting guide to fix permission-denied errors, other apps locking the camera (Zoom, Teams, OBS) or outdated drivers.
- Offline checks: Load the page once, then run the camera test without an internet connection; it needs only a local browser and camera.
How does Camera Test work?
The test starts when you click Start Webcam Test and grant camera permission. The site opens a live preview, then samples each video frame on an HTML canvas to compute brightness, saturation, dominant hue and measured FPS, and compares it with the camera's stated capabilities. The optional Take Picture button exports a still PNG snapshot. All processing happens client-side, with no video uploaded to a server.
FAQ
Is Camera Test free?
Yes. The webcam tester is 100% free, has no ad walls and does not ask for sign-up or login. You can run unlimited tests.
Does Camera Test upload my video anywhere?
No. Every frame stays on your device; the page never sends your camera feed to a server. Once the tab is closed, the test session is gone.
Which browsers and devices are supported?
The tester works in any modern browser with getUserMedia support: Chrome, Edge, Firefox, Safari 14+, Brave and Opera. It runs on Windows, macOS, Linux, ChromeOS, Android 8+ and iOS 14.3+.
Why does my camera show a black screen or 'not found'?
The page's troubleshooting section lists the usual causes: another app (Zoom, Teams, OBS) holding the camera, a denied permission, or a missing driver. Close other camera apps, allow camera access in site settings, or update the driver via Device Manager on Windows.
How many megapixels is a good webcam?
Most 1080p webcams use a 2-megapixel sensor, which is enough for calls. Higher sensors (4MP, 8MP) help when cropping or zooming, but lighting and lens quality matter more than megapixel count alone.
