CoderTools

Webcam Test Online

Test camera resolution, frame rate, and microphone - 100% local processing

🔒 100% Local ProcessingYour input data is processed entirely in your browser. It is not uploaded to any server.

Camera Permission Required

Click the button below to allow camera access. Your video stream stays entirely on your device.

How to Use

1

Allow Camera Access

Click 'Start Camera Test' and allow the browser to access your webcam. For privacy, your video never leaves your device.

2

Check Video Quality

Once the camera starts, you'll see live video with real-time stats including resolution, FPS, and aspect ratio.

3

Switch Cameras

If you have multiple cameras (front/rear on mobile, or external webcams), use the dropdown to switch between them.

4

Test Microphone

Enable the microphone test to check if your mic is working. The audio level bar shows real-time input volume.

Features

Resolution Detection

Automatically detects and displays your camera's actual output resolution. Test if your 1080p or 4K webcam is performing as expected.

Real-time FPS Monitor

Shows live frame rate to verify smooth video capture. Essential for streaming, video calls, and recording quality checks.

Multi-Camera Support

Switch between built-in, external USB, and virtual cameras. Perfect for testing different webcams or front/rear cameras on mobile.

Microphone Check

Visual audio level meter confirms your microphone is working and picking up sound correctly. Great for pre-meeting checks.

Mirror Mode

Flip the video horizontally to see yourself as others see you, or as you see yourself in a mirror. Toggle instantly.

Snapshot Capture

Take instant photos from your webcam feed. Images are saved locally to your device - nothing is uploaded anywhere.

Common Use Cases

Pre-Meeting Check

Test your webcam and microphone before Zoom, Teams, or Google Meet calls to avoid technical issues during important meetings.

Webcam Purchase Verification

Verify that a new webcam actually delivers its advertised resolution and frame rate before you commit to keeping it.

Streaming Setup

Streamers can quickly check camera quality, test different resolution settings, and ensure proper frame rates for smooth broadcasts.

Troubleshooting

Diagnose webcam problems by checking if the browser can access the camera, what resolution it outputs, and if the mic works.

Privacy & Security

This tool is 100% client-side. Your video stream is processed entirely in your browser using standard Web APIs. No video data, images, or audio is ever transmitted to any server. You can verify this by using the tool while offline or by monitoring network traffic.

Tips

Browser Compatibility

The MediaDevices API is supported by all modern browsers. Here's the compatibility status:

Chrome 53+ — Full support with all features
Edge 12+ — Full support with all features
Firefox 36+ — Full support with all features
Safari 11+ — Full support (iOS requires HTTPS)
Opera 40+ — Full support with all features

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