
For example, QuickTime doesn't support replaying WebM videos WebM won't play on iPhone iPad or iPod devices FFmpeg needs libvpx to support streaming WebM videos, etc. In addition to converting AVI, MKV, WMV, etc formats to WebM, there are lots of Mac users wanna convert WebM to MP4, MOV and M4V video formats on account of multifarious incompatible issues. Then, how to convert AVI/MKV/MTS video to WebM on Mac for uploading to YouTube and other video sites? Is there proper WebM converter Mac? So, it is normal that WebM is the mainstream video format for YouTube uploading. Nowadays, WebM is one of the most widely used video formats for HTML5 video since its video can offer video with higher quality yet smaller size than MP4 video ( WebM vs MP4). Such limitations render this app useless for anything but converting a single small file.WebM is a media file format which is encoded with VP9 or VP8.

Some of the Online Video Converter’s disadvantages are slow conversion speed and file size limit. The online converter supports all popular video and audio formats. The conversion process is as simple as the interface. Online Video Converter is a free app that works in a browser and doesn’t require download or installation.It may be a good choice if you already have it installed but in any other case, it’s better to download a full-scale video converter.


Besides the program doesn’t have any editing tools or a batch conversion feature. However, the conversion process is complicated, and VLC’s unintuitive interface doesn’t help at all. It’s a free and open-source program that supports playback and conversion for a wide variety of formats.
