Comment Vibe is a free Chrome add-on designed to improve the tone of your online comments across various platforms like LinkedIn, Twitter/X, and YouTube. Utilizing Chrome’s on-device AI, the tool analyzes the sentiment of your comments in real time, helping you avoid posting harsh or toxic messages. With intuitive sentiment labels such as Positive, Neutral, Negative, and Toxic, users can quickly understand how their comments may be perceived.

The add-on offers instant rewrite suggestions to transform potentially negative comments into more constructive ones, promoting better online communication habits. Comment Vibe operates entirely on your device, ensuring privacy as no data is sent to external servers. It requires Chrome version 127 or later and enables the built-in Prompt API for optimal functionality.