Convert MOV to WEBM
Convert your MOV video files to WEBM directly in your browser.
How to convert video in 3 steps
Choose a MOV video file.
Click convert to WEBM.
Download your WEBM video.
Format descriptions
MOV — MOV is Apple's video container (QuickTime). It supports many codecs and is often used for professional editing and Apple devices.
WEBM — WebM is an open video container designed for the web. It uses VP8/VP9 and Opus codecs, offering small files and efficient streaming.
Technical comparison: MOV vs WEBM
Technical breakdown of the MOV and WEBM specifications: compression, colour, transparency and animation support.
| Property | MOV | WebM |
|---|---|---|
| Specification | MOV (Apple QuickTime Movie) | WebM (WebM Video Container) |
| Media type | Video | Video |
| Compression | Hybrid (lossy or lossless) · ProRes / H.264 / HEVC + PCM | Hybrid (lossy or lossless) · VP8 / VP9 / AV1 + Opus |
| Color space / bit depth | 8/10/12-bit master | YUV 4:2:0 |
| Transparency | Partial support | Partial support |
| Animation | Yes (animated) | Yes (animated) |
| Best for | MOV is Apple's video container (QuickTime). It supports many codecs and is often used for professional editing and Apple devices. | WebM is an open video container designed for the web. It uses VP8/VP9 and Opus codecs, offering small files and efficient streaming. |
What happens when converting MOV to WEBM?
The MOV data is decoded inside your browser with WebAssembly and re-encoded to the WEBM specification, so no file is ever uploaded to a server. Both formats rely on comparable compression, so file size and perceived quality stay in the same range.
Frequently Asked Questions
What is video conversion?
Video conversion changes a video file from one format to another, for example from MOV to WEBM, while keeping the video content.
Are my video files uploaded?
No. This tool processes video files directly in your browser. Your video files are never sent to a server.
Which video formats are supported?
This tool converts MOV video files to WEBM, all in your browser.
Is it really free and unlimited?
Yes, the tool is completely free and you can convert as many video files as you want, with no limits.
Does it work on mobile too?
Yes, it works on any modern device, including smartphones, tablets and desktop computers.
Which format will the result be in?
The converted file will always be in WEBM format, ready to download and use.
About the video converter
Convert MOV to WEBM video online for free. Everything happens in your browser: your files are never uploaded to a server, and you need no downloads or sign-up to get started.
See also:
- Video Converters
- Compress Videos OnlineCompress MP4, WebM, AVI, MKV, MOV, MPEG, TS and 3GP videos online for free. Reduce video file size while keeping good quality. Everything happens in your browser: videos are never uploaded to a server, and you need no downloads or sign-up to get started.
- Convert MOV to MP4Convert MOV to MP4 video online for free. Everything happens in your browser: your files are never uploaded to a server, and you need no downloads or sign-up to get started.
- Convert MOV to MKVConvert MOV to MKV video online for free. Everything happens in your browser: your files are never uploaded to a server, and you need no downloads or sign-up to get started.
- Convert WEBM to MOVConvert WEBM to MOV video online for free. Everything happens in your browser: your files are never uploaded to a server, and you need no downloads or sign-up to get started.
