Complexity is a free Chrome add-on designed to significantly improve the user experience on Perplexity.ai. This tool allows users to change their preferred AI models and focus on specific threads, facilitating a more tailored interaction with the platform. Additionally, it offers seamless navigation through collections and the ability to export or copy entire threads or individual messages in markdown format, complete with optional citations.

Beyond functionality, Complexity provides users with customizable themes, fonts, accent colors, and CSS options, allowing for a personalized aesthetic. The add-on also includes numerous quality-of-life and visual enhancements, making it a versatile tool for users looking to maximize their engagement with Perplexity.ai.