Inferr is a Chrome extension developed by inferr2016 that aids Reddit users in predicting if their posts will receive at least 5 comments. By simply clicking the extension icon after composing a post title and text, users can receive a prediction. The extension's permissions include reading and modifying data from the submission page to enhance prediction accuracy. Additionally, it utilizes browsing history to incorporate user knowledge and interests for better predictions, storing the last 3K items and updating with each prediction made.

Inferr streamlines the process of gauging post engagement on Reddit, offering users a quick and convenient way to anticipate interaction levels with their content.