Hyper Online is a privately held software development company based in San Francisco, California, founded in 2021. The company specializes in creating avatar-based social networking tools, particularly through its iOS app that allows users to build avatars or VTubers for live streaming, video recording, and social media interaction. Hyper Online has garnered significant attention, including a $3.6 million investment from Amazon and other backers, and boasts a high user rating of 4.6/5 stars from 8.6K reviews on the Apple App Store. The company was incubated at Y Combinator and aims to expand its influence in the digital content creation and social networking space.