Convert AVI to OGV — Free Online Converter

AVI is a Windows-native container, while OGV (Ogg Video) is the open-source video format from the Xiph.Org Foundation, combining Theora video with Vorbis audio in an OGG container. OGV was the primary open-source alternative to Flash video during the early HTML5 era (2009–2015), supported natively in Firefox, Chrome, and Opera without plugin dependencies. While WebM (VP8/VP9) has largely superseded OGV for web video, Theora-based OGV remains important in free software ecosystems, Wikipedia media files, and educational platforms committed to patent-free formats.

OGV is the only completely patent-free video format — Theora's VP3 codec was released into the public domain by On2 Technologies. If your project requires zero patent liability (government, educational, or free software contexts), OGV is the safest choice. Wikipedia uses OGV/WebM exclusively for hosted video files. Some educational platforms and government websites mandate patent-free formats for legal compliance.