Test Video Transparency OnlineFree Transparent Video Tester

Check if your video contains an alpha channel. Test transparency in your browser, instantly and free. Browser compatibility check included - no upload required.

Upload your green screen video

Drag and drop your video file or click to browse

Supports MP4, MOV, and WebM • Up to 4K resolution

Choose Video File

How do I check if my video file has transparency?

Simply drag your video file onto the file browser button above, or click it to select your video. We'll analyze your video and show you if it contains transparency, then overlay it on different backgrounds so you can verify.

Will you store my video?

No. In fact, your video is never uploaded with this tool. We analyze your video locally from your computer.

What video formats support transparency?

WebM (VP9/VP8): Best for web, supported in Chrome, Firefox, and Edge.
MOV (HEVC with alpha): Supported in Safari.
AV1: Newest codec with growing browser support.

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How to Display Transparent Videos on Your Website

To display a transparent video in your browser, you need to use the <video> HTML tag with the correct source files. Use this code snippet on your website:

<!-- For Chrome/Firefox/Edge (VP9 with alpha) -->
<video width="600" height="100%" autoplay loop muted playsinline>
  <source src="your-video.webm" type="video/webm">
  <!-- Add HEVC for Safari support -->
  <source src="your-video.mov" type='video/mp4; codecs="hvc1"'>
</video>

💡 Cross-Browser Transparency

For best compatibility, create both a WebM (VP9) and MOV (HEVC) version of your video. Browsers will automatically pick the format they support.

Video Tag Attributes Explained

autoplay - Start playing automatically

loop - Repeat the video

muted - Mute audio (required for autoplay)

playsinline - Play inline on mobile (iOS)

How do I publish transparent videos that work on all browsers?

Create a video for each browser you want to support. Typically, Chrome and Safari should be enough. You'll need a file encoded in HEVC with Alpha for Safari, and a WebM for Chrome. Then, upload both versions to a webserver, and supply both video URLs to a video tag. The browsers are smart enough to pick the one they support.

See the code snippet above for an example!