AMZSentiment

AMZSentiment is a small Chrome extension that adds a sentiment layer to Amazon product pages. Rather than just reading a raw star average, it analyses the actual language of the reviews and reports whether the tone of the text is positive, neutral or negative. It runs three separate sentiment models over the same reviews, which gives you a cross-checked read instead of a single score from one algorithm.

A second thing it does is compare review content with stars. Ratings can be misleading — a product can show 4.5 stars while the written feedback is full of complaints, or the reverse. The extension highlights that correlation so you can spot products whose rating and review text disagree.

It is a small, focused tool: version 1.0, roughly 129 KB, English-language, and free to install from the Chrome Web Store. There is no account, no subscription and, per the developer's disclosure, no collection or sale of user data. It is best treated as a quick sanity-check widget when you are browsing Amazon, not as a full review-management platform for sellers.