YouTube Monday Catify is a Chrome extension developed by Spark, available for free in the Browsers category under Add-ons & Tools. The program aims to replace YouTube thumbnails with images of a beloved cat associated with the phrase "Monday left me broken." Users can enjoy a refreshing change in their YouTube browsing experience by downloading this extension. Upon installation, all thumbnails will be adorned with the charming image of the cat, promising a visually appealing twist to their usual YouTube interface.

Experience a delightful transformation in your YouTube visuals with YouTube Monday Catify. Say goodbye to mundane thumbnails and welcome the endearing cat that embodies the sentiment of "Monday left me broken." Download this free extension now to infuse your YouTube sessions with a touch of feline charm.