Measure the frame rate delivered to your browser after granting camera permission. Results can vary with light, USB bandwidth, drivers, and browser processing.
Accesses your webcam and estimates the frame-update rate delivered to the browser. Shows live FPS, average FPS, and device info.
A webcam's stated frame rate is the maximum under ideal conditions. The stream delivered to a browser depends on lighting, USB bandwidth, CPU availability, drivers, and camera firmware. This tool estimates frame-update rate by watching for changes in a small sample region, so a mostly static scene can undercount frames.
Use the result as a practical browser-stream comparison when diagnosing choppy video or checking changes in lighting, USB ports, and camera settings. It is not a sensor-level camera benchmark.
More free tools to check your setup.
Test your webcam or camera. Check live preview, resolution, frame rate, permissions, and image quality.
Measure browser animation-frame timing over 10 seconds using requestAnimationFrame. See average, min, and max FPS with a live bar chart.
Record your screen directly in the browser using the Screen Capture API. Download recordings as WebM video files.
Check monitor Hz, 60Hz, 144Hz, 240Hz, frame pacing, and display refresh rate online.
Free microphone test online. Check mic input level, peak clipping, and live waveform in your browser.
Learn about webcam setup, frame rates, and video quality optimization.
If an online keyboard tester does not detect one key, several keys, or modifier combinations, start with focus, layout, browser shortcuts, rollover limits, and hardware checks.
A browser GPU stress test can reveal crashes, throttling, noisy fans, and WebGL issues, but it cannot replace tools that read sensors, VRAM errors, or driver-level stability.
If a refresh rate test reports 60Hz on a 144Hz or 240Hz monitor, check OS settings, cable limits, browser throttling, VRR, duplicated displays, and power mode.
Mouse polling rate tests can jump between values because of movement speed, DPI, browser event delivery, wireless mode, CPU load, and USB power settings.
If a browser gamepad tester does not detect an Xbox, PlayStation, Switch, or generic controller, check connection mode, browser support, focus, permissions, and Steam input.
If an online microphone test cannot hear you, check browser permissions, the selected input device, OS privacy settings, exclusive mode, Bluetooth headset profiles, and HTTPS.