TikTok is a social media platform and mobile app that allows users to create and share short videos with music. It was developed in China in 2016 and initially released under the name Douyin. It was later released internationally as TikTok in 2017 and has since become popular around the world, especially among younger users.

TikTok is known for its wide range of creative and entertaining video content, including lip-sync videos, comedy sketches and dance routines. It also includes a variety of features and tools that allow users to create and edit their videos, such as special effects, filters and stickers.

In addition to its main features, TikTok also has a number of social and community-building elements, such as the ability to follow other users, interact with their content and participate in challenges and trends.