Compose AI is an AI-powered writing tool primarily designed as a Chrome plugin to facilitate easier and faster communication. Leveraging the power of AI, Compose AI assists users in generating text, autocompletes sentences while typing, and enables the creation of emails and documents in a quicker way than standard methods. The tool offers diverse functionalities, including autocomplete across all user tools to speed up the writing process. Moreover, it learns the unique writing 'voice' of the user, suggesting personalized phrases to align more closely with their individual writing style. With a focus on offering streamlined user experience, Compose AI also provides an unobtrusive universal integration, seeing to its smooth assimilation with existing platforms and tools. Additional features are provided in a premium version which includes advanced personalization options. The platform respects user privacy, using the text data exclusively to offer improved autocompletion services, and refrains from selling any personal data. Compose AI is backed by YCombinator and trusted by a significant number of teams and individuals.