Penlyne is a Chrome add-on designed as an AI writing assistant specifically for LinkedIn users. It facilitates the creation of professional posts, insightful comments, and direct messages (DMs) with ease. The tool allows users to select from various tones—Professional, Casual, Thought Leader, and Storytelling—ensuring that the generated content matches their personal or brand voice. Users can quickly generate 2-3 polished variants of their requested content, making it easier to choose the most suitable option for their needs.

The functionality of Penlyne is straightforward and user-friendly. After installing the extension, users simply click the Penlyne icon, select the type of content they wish to create, and input their topic or relevant information. The free tier offers up to 10 generations per day, while a Pro subscription unlocks unlimited content generation for a monthly fee. Notably, Penlyne prioritizes user privacy by not collecting browsing data or accessing LinkedIn profile information.