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Webcam test

Your camera preview appears here

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Webcam test

One tap, one browser prompt, and you get a score with anything worth fixing.

  • Works on Chrome, Safari, Firefox and Edge
  • Front and rear cameras on phones
  • Revoke access any time from the address bar

Nothing is uploaded or recorded — the video stays in this tab.How this works

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Webcam test for Zoom

Zoom sends 360p by default, so a good camera can still look soft to everyone else. Run the test below to see what your camera actually produces, then turn on HD in Zoom so it sends it.

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The short answer

Zoom needs 640×360 at 30fps to work and 1280×720 at 30fps to look good. If the test below shows 720p or better at 30fps, your camera is not the problem — check that HD is enabled in Zoom itself.

How to use it

Three steps, about three seconds

  1. Step 1: Open the test

    Open the Spolvero webcam test in the browser you use for calls.

  2. Step 2: Allow the camera

    Select Test my camera and choose Allow when the browser asks for camera access.

  3. Step 3: Read the result

    Your live preview appears with a readiness score, plus resolution, frame rate and lighting checks and a fix for anything marked amber or red.

Get a better picture

Four things worth doing before you join

  • Turn on HD in Zoom

    In the Zoom app, open Settings → Video and tick HD. Without it, Zoom sends 360p even from a 1080p camera. On free accounts HD is capped at 720p.

  • Turn off Touch up my appearance while testing

    Zoom's smoothing filter hides exactly the grain and softness you are trying to measure. Test here first, then decide whether you want the filter on.

  • Virtual backgrounds cost you sharpness

    Background blur and replacement run on your CPU and are the most common cause of a Zoom picture that stutters. If the test shows 30fps here but Zoom looks jerky, turn the background off first.

  • Check the right camera is selected

    Zoom remembers the last camera it used. If your preview is black in Zoom but fine here, open Settings → Video and pick the camera by name rather than 'Default'.

Troubleshooting

If the camera didn't start

Open the one that matches what the test told you — these are the steps for Zoom. If the test detected the problem, that section is already open.

This is the browser's permission for this page, not Zoom's — the Zoom desktop app asks separately the first time you join a meeting with video.

  1. 1Select the camera or padlock icon at the left of the address bar, set Camera to Allow, then reload.
  2. 2If you join Zoom in the browser rather than the desktop app, the same permission covers both, because it is the same browser being asked.
  3. 3Granting it here does not grant it to the Zoom desktop app, and the reverse is also true. They are two separate decisions.
Every browser and operating system

The browser cannot see a camera at all, which means Zoom will not find one either — this is not a Zoom problem yet.

  1. 1Check for a sliding lens cover or a camera kill switch, usually an F-key with a camera icon.
  2. 2On Windows, open Settings → Privacy & security → Camera and turn on both 'Let apps access your camera' and 'Let desktop apps access your camera'. The browser needs the first; the Zoom desktop app needs the second.
  3. 3Unplug and replug a USB camera into a port on the computer rather than a hub, then reload.
Every browser and operating system

Zoom is the most common cause of this error anywhere, because closing the meeting window leaves the app running in the system tray.

  1. 1Quit Zoom properly — right-click its icon in the Windows system tray and choose Quit, or press Command-Q on a Mac. Closing the window is not the same thing.
  2. 2Turn off 'When closed, keep running in background' in Zoom's settings so it stops happening.
  3. 3Close any other Zoom tab or green room you left open, then reload this page.
Every browser and operating system

The camera is working and the picture is the problem. On Zoom, two of its own features are usually involved before lighting is.

  1. 1Turn off the virtual background or blur. It runs a segmentation model on every frame and is the most common cause of a Zoom picture that stutters.
  2. 2Turn off 'Touch up my appearance' while you test, because the smoothing filter hides exactly the grain and softness you are trying to measure.
  3. 3Then fix the light: face a window or a lamp, and move any bright window out from behind you.
Every browser and operating system
What your results mean

What each app actually needs

Resolution and frame rate each app sends, from their own published requirements, checked September 2026.

Minimum and recommended webcam resolution and frame rate for common video call apps
AppMinimumLooks good atWorth knowing
Zoom640×360 at 30fps1280×720 at 30fpsZoom sends 360p by default; turn on HD in Settings → Video.
Microsoft Teams640×360 at 30fps1280×720 at 30fpsTeams caps most calls at 720p regardless of your camera.
Google Meet640×360 at 30fps1280×720 at 30fps1080p needs a paid Workspace plan and a 1080p camera.
Twitch / OBS1280×720 at 30fps1920×1080 at 60fps60fps only helps if your upload and encoder can keep up.

Above 1080p at 30fps there is nothing more to gain for a meeting: mainstream call apps will not send it.

Someone on a video call at a desk, holding a mug
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Photo by Helena Lopes on Unsplash
Before the call

Two minutes now beats an apology later

Most people discover a camera problem in the first thirty seconds of a meeting, in front of everyone. Checking beforehand costs nothing and takes about as long as opening the meeting link.

Privacy

How this tool handles your camera

A camera test that uploads your face would defeat the point. This one cannot.

Read the site privacy policy
  • Your browser opens the camera and hands the stream to this page. The page shows it in a video element and samples it on a canvas — both are in your own tab.
  • There is no upload code, no recording and no server that could receive video. Nothing is stored in your browser either.
  • Permission is per-site and per-browser, and you can withdraw it any time from the address bar.
  • Close the tab and the camera stops. The indicator light goes out because the stream really has ended.
FAQ

Questions people ask

Anything we've missed?

Tell us

Why does Zoom look worse than this test?

Because Zoom compresses. This test shows your camera's raw output; Zoom re-encodes it for the network and, unless HD is enabled, sends 360p. A gap between the two is normal — a large gap usually means HD is off or your upload speed is limited.

Does Zoom support 1080p?

Full 1080p sending is limited to paid plans and specific conditions. For most accounts 720p is the practical ceiling, so a 720p result in this test is all you need.

How do I test my camera inside Zoom?

Open the Zoom app → Settings → Video, and you get a self-preview. It shows the picture but not your resolution, frame rate or a lighting check, which is what this page adds.

My Zoom video freezes mid-call.

That is usually network or CPU, not the camera. Turn off virtual backgrounds and filters, close other video apps, and switch to a wired connection if you have one.

Related reading

Guides worth reading

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