Incroyable du cul is a free Chrome extension developed by Nicola Dutartre. Falling under the category of Browsers and subcategory of Add-ons & Tools, this unique extension adds the phrase "du cul" (which translates to "of the ass" in English) after every occurrence of the word "incroyable" (which means "incredible" in English).

Inspired by popular streamer MisterMV, the Manu Auto Correct by Maxime Bouveron, and the Bot du Cul by Bilgé Kimyonok, Incroyable du cul brings a touch of humor to your browsing experience. Whether you want to add a playful twist to your everyday browsing or simply enjoy a good laugh, this extension is sure to entertain.

Please note that this extension is not affiliated with the aforementioned individuals or their projects. For more information and to support the creator, you can visit the GitHub page provided.