Webcam Tester
Preview your camera, check resolution support, capture snapshots, and monitor FPS.
Free & unlimitedWorks offline
Camera access needed
This tool previews your webcam and measures FPS. Video is processed locally in your browser — nothing is uploaded.
All processing happens in your browser. No data is sent to any server.
About this tool
- 1
Allow camera access
Grant camera permission to see a live preview from your webcam.
- 2
Check camera info
View your webcam resolution, frame rate, and device name.
- 3
Test resolutions
Try 480p, 720p, 1080p, 1440p, and 4K to see which resolutions your camera supports.
- 4
Take a snapshot
Capture a frame and download it as PNG to verify image quality.
- If your webcam appears dark, check lighting - most webcams perform poorly in low light.
- The mirror toggle flips the preview horizontally, matching what you see in a real mirror.
- Not all webcams support 1080p or 4K - the resolution test shows what your camera actually delivers.
- Use the FPS monitor to check if your webcam maintains its rated frame rate.
- Live webcam preview with mirror/flip toggle
- Camera info display: resolution, FPS, device name, aspect ratio
- Multi-camera selector for switching between connected cameras
- Resolution testing: 480p, 720p, 1080p, 1440p, 4K with support detection
- Snapshot capture and PNG download
- Live FPS monitor for frame rate verification
- Testing if your webcam works before joining a video call or stream
- Comparing image quality at different resolutions on your webcam
- Checking webcam FPS for smooth video output in streaming software
- Troubleshooting webcam issues: permissions, resolution, or connectivity
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