Buffer is a social media management tool designed to help individuals, businesses, and teams plan, schedule, and publish content across multiple social media platforms. It simplifies the process of managing accounts on networks like Facebook, Instagram, TikTok, LinkedIn, Pinterest, and more. With Buffer, users can create and automate posting schedules, analyze performance through detailed analytics, and collaborate with team members to streamline their social media strategy. It offers a free plan for basic use, as well as paid plans with advanced features like engagement tools and AI-assisted content creation, making it a versatile solution for growing an online presence efficiently.