Bien penseur is a Chrome extension developed by Louphole that aims to replace negative expressions with positive ones. This add-on falls under the category of Browsers and specifically Add-ons & Tools. With Bien penseur, users can transform phrases associated with negative thinking into more positive and uplifting expressions.

The extension works by replacing specific expressions of negativity with their corresponding positive counterparts. For example, it can replace phrases like "Certaines personnes pensent étrangement que donner son opinion c'est de la liberté d'expression, mais que critiquer celle-ci est une sorte de censure" with more positive and constructive alternatives.

Bien penseur encourages users to share their suggestions for positive expressions via Twitter, using the handle The extension is available for free on the Chrome platform, providing users with an easy way to promote positivity and mindfulness in their online experiences.