Pixlr is a web-based photo editing tool that allows users to edit images easily without needing to download software. It offers a variety of features, including filters, overlays, and text options, making it suitable for both beginners and more experienced users. The platform is accessible on various devices, including computers and tablets, and supports multiple file formats. Pixlr also provides templates for social media posts, making it a popular choice for content creators looking to enhance their visuals quickly and efficiently.