Vozo

Vozo is an AI video tool founded by Changyin Zhou, a former Google X researcher who returned to China and launched the product in July 2024 after several years of exploration in video technology . The company's core offering centers on video translation, redubbing, and rewriting—allowing users to clone original voices, synchronize lip movements, and repurpose video content across languages without professional editing skills .

The product found early traction through its "Rewrite & Redub" feature, which went viral on Product Hunt and reportedly reached $1 million in annual recurring revenue within six months of launch . Zhou has described Vozo's mission as "video expression freedom"—enabling non-professionals such as marketers, educators, and content teams to produce and adapt video material easily . The company has since narrowed its focus toward enterprise use cases, particularly translation and localization for marketing and advertising departments, while merging its product lines under the Vozo brand . ZhenFund (真格基金) backed Zhou's earlier venture VISBIT in 2016 and invested in Vozo AI in 2020 .