3GP is a multimedia container format used for storing video and audio content. It is commonly used for mobile phones and portable devices due to its small file size. 3GP files are typically compressed and support video and audio codecs like H.263 and AMR, making them suitable for mobile streaming.
WEBM is a media file format designed for web use. It is based on the VP8 video codec and the Vorbis audio codec, making it highly efficient for video streaming on the web. WEBM supports high-quality video and is supported by most modern browsers, offering an open-source alternative to proprietary formats like MP4.