20 free tests that run entirely inside your browser camera test, webcam test, microphone, speakers, keyboard, display, network and full hardware benchmarks. Nothing installs, nothing uploads, and you can stop any test at any time.
Las verificaciones que la gente realiza con mayor frecuencia antes de una llamada, una transmisión o una reparación.
Confirm your mic is picking up sound, and watch a live input meter and waveform.
Play left, right and stereo tones to verify both channels of your speakers or headphones.
Press any key and see it register instantly — spot dead keys, stuck keys and ghosting.
Measure download speed, latency and jitter to see if your connection can hold a video call.
One combined check of camera, microphone, speakers and network before you join a call.
Every tool is grouped by what it checks, so you can go straight to the hardware you’re troubleshooting.
See exactly which browser permissions this site has, and reset the ones that are blocking your hardware.
Confirm your mic is picking up sound, and watch a live input meter and waveform.
Play left, right and stereo tones to verify both channels of your speakers or headphones.
Press any key and see it register instantly — spot dead keys, stuck keys and ghosting.
Full-screen colour, gradient and dead-pixel checks plus your real screen resolution.
Verify every mouse button, the scroll wheel, pointer tracking and multi-touch input.
Measure download speed, latency and jitter to see if your connection can hold a video call.
Identify your graphics chip and run a live WebGL stress test to measure rendering headroom.
Run single-core and multi-core JavaScript workloads to score your processor in the browser.
Measure allocation and read/write throughput, and see how much memory your browser will give you.
Check available browser storage quota and measure read/write speed to local storage.
One combined check of camera, microphone, speakers and network before you join a call.
Send yourself a real browser notification to confirm alerts actually reach your desktop.
Print a calibrated test page with colour bars, greyscale ramp and alignment marks.
See the public IP address, approximate location and network your browser is presenting.
A full readout of your browser, engine, operating system, screen and feature support.
Check HTTPS, cookies, Do Not Track, secure context and what your browser leaks to sites.
Read accelerometer, gyroscope and orientation data live from your phone or tablet.
Detect connected MIDI devices and watch note and controller messages arrive in real time.
List every camera, microphone and speaker your browser can currently see.
Una prueba de dispositivo en el navegador utiliza las mismas API web que usaría una videollamada, por lo que un aprobado aquí significa que el mismo hardware funciona en Zoom, Meet, Teams o Discord.
Most “my camera is not working” reports are really blocked permissions. The Prueba de Permisos shows exactly what this site is allowed to use and how to reset a blocked prompt in your browser.
Use the homepage prueba de cámara for picture, resolution and frame rate, the prueba de micrófono for input levels, and the prueba de altavoz for left and right channels.
The Verificación de preparación para la reunión bundles camera, microphone, speakers and connection into a single one-minute pass so you can join with confidence.
Respuestas a las preguntas más frecuentes sobre nuestras pruebas de dispositivos en el navegador.
No. Todas las pruebas de esta página se ejecutan dentro de tu navegador utilizando API web estándar. No hay nada que descargar, ninguna extensión que añadir y ninguna cuenta que crear.
No. Las transmisiones de cámara y micrófono se procesan localmente en tu navegador y nunca salen de tu dispositivo. No grabamos, almacenamos ni transmitimos ningún audio o vídeo.
Si te estás preparando para una videollamada, empieza con la Verificación de preparación para la reunión: prueba la cámara, el micrófono, los altavoces y la red en una sola pasada. Para un solo dispositivo averiado, ve directamente a la prueba de ese dispositivo.
Sí. Las pruebas de cámara, micrófono, altavoz, pantalla, táctil, sensor y red funcionan en navegadores móviles modernos. Algunas pruebas, como las de MIDI y soporte de controlador, dependen del navegador y del hardware.
Algunos navegadores restringen ciertas API. Safari, por ejemplo, no implementa Web MIDI. Intente la misma prueba en Chrome o Edge, y verifique la Prueba de Permisos para asegurarse de que nada esté bloqueado.
Our guías de solución de problemas walk through the exact fixes for a camera that won’t start, a mic nobody can hear, missing sound, Wi-Fi dropouts and overheating laptops on Windows, macOS, Android and iOS.