Zhang Yiming founded ByteDance in March 2012 in Beijing, China. Zhang, a software engineer who had previously co-founded real estate search platform 99fang.com, established ByteDance with the goal of building content platforms powered by machine learning recommendation systems rather than human editorial curation.
ByteDance's first product was Toutiao (literally "Today's Headlines"), a news aggregation and content discovery application launched in August 2012. Toutiao used algorithmic recommendations to surface news articles and content based on individual user behavior, a model that was novel in the Chinese market at the time. The app grew rapidly, reaching 10 million daily active users within 90 days of launch.
In 2014, ByteDance launched Neihan Duanzi, a humor and meme-sharing application that became highly popular but was shut down by Chinese regulators in 2018 for content deemed inappropriate. The shutdown was a formative experience for the company in navigating Chinese content regulations.
In 2016, ByteDance launched Douyin in China, a short-video platform that allowed users to create and share 15-second videos set to music. Douyin grew rapidly in China, reaching 100 million users within its first year. In 2017, ByteDance launched TikTok as the international version of Douyin, initially targeting markets in Southeast Asia, Japan, and South Korea.
In November 2017, ByteDance acquired Musical.ly, a Shanghai-based short-video lip-sync application with a large user base in the United States and Europe, for approximately 1 billion US dollars. In August 2018, ByteDance merged Musical.ly into TikTok, instantly giving TikTok a substantial established user base in Western markets. This acquisition is widely credited as the pivotal move that established TikTok as a global platform.
By 2019, TikTok had become one of the most downloaded applications globally. The app's rapid growth attracted regulatory attention in the United States, where the Committee on Foreign Investment in the United States (CFIUS) launched a national security review of ByteDance's acquisition of Musical.ly. In 2020, the Trump administration issued executive orders seeking to ban TikTok in the United States unless ByteDance divested its US operations. The orders were challenged in court and ultimately not enforced.
In 2021, Zhang Yiming stepped down as CEO of ByteDance, transitioning to a strategic advisory role. Liang Rubo, a co-founder and Zhang's college roommate, became CEO. Zhang stated that his management style was better suited to product development than to running a large organization.
In 2022, ByteDance launched CapCut, a video editing application that became one of the most downloaded apps globally, particularly among content creators using TikTok. CapCut has since expanded into a broader creative suite including graphic design and AI-powered editing tools.
In January 2025, a US law passed by Congress in 2024 required ByteDance to divest TikTok's US operations by January 19, 2025, or face a nationwide ban. TikTok briefly went dark for US users on January 19, 2025, before the incoming Trump administration indicated it would not enforce the ban immediately. The divestiture situation remained unresolved as of February 2026, with ByteDance continuing to operate TikTok in the United States under a temporary reprieve.
In August 2025, ByteDance launched an employee share buyback program valuing the company at over 330 billion US dollars, up from approximately 315 billion US dollars in a similar program conducted approximately six months earlier.