MOV to WebM converter
Free MOV to WebM converter that runs in your browser. Convert MOV video to WebM privately — no upload, no sign-up, no watermark.
100% private — files never leave your deviceYour browser can’t run this tool. Please try the latest Chrome, Edge or Firefox on desktop.
Preparing…
Convert MOV video to WebM right in your browser — no upload, no sign-up, completely free. Drop your file and download the result in seconds. Everything is processed on your own device and never sent to a server.
MOV is Apple’s QuickTime video format, produced by iPhones and Macs. It is high quality but less universally supported than MP4, so it is often converted before sharing. WebM (VP9/AV1) is an open, royalty-free video format built for the web. It often produces smaller files than MP4 at the same quality and is supported by all modern browsers. WebM is an efficient, royalty-free format built for the web and supported by all modern browsers.
How to convert MOV to WebM
- Add your MOV video. Drag your MOV file onto the drop zone or click to browse.
- Convert. Your video is converted to WebM on your device. Larger files take a little longer.
- Download your WebM file. Save the converted WebM video straight to your device.
Features
- Private by default. Your video is converted in the browser and never uploaded.
- Plays everywhere. WebM is widely supported, so the result plays where you need it.
- No watermark. The converted file is clean — no logo or watermark added.
- Free to use. No sign-up and no cost.
When to use it
- Convert MOV to WebM for a device or platform that won’t play MOV.
- Make MOV footage easier to share by converting it to WebM.
- Prepare video for efficient, royalty-free video for websites.
- Convert a clip from your phone or camera without installing any software.
Frequently asked questions
Is this MOV to WebM converter free?
Yes. It’s completely free with no sign-up and no watermark on the output.
Is my video uploaded anywhere?
No. The conversion happens entirely in your browser, so your MOV file never leaves your device — ideal for private footage.
Are there file size limits?
Because everything runs in your browser, very large videos depend on your device’s memory and may be slow on phones. Desktop handles big files best.
What’s the difference between MOV and WebM?
MOV is Apple’s QuickTime video format, produced by iPhones and Macs. It is high quality but less universally supported than MP4, so it is often converted before sharing. WebM (VP9/AV1) is an open, royalty-free video format built for the web. It often produces smaller files than MP4 at the same quality and is supported by all modern browsers.