Background Eraser is a free multimedia application available on the iPhone platform. Developed by Small Daily Software Hangzhou Co.Ltd, this app offers a range of features for editing and enhancing your photos.

One of the standout features of Background Eraser is the ability to create nine-grid pictures with just a single button. This makes it incredibly easy to split a photo into nine pieces and create unique compositions. Additionally, the app allows for seamless linking of multiple photos to create a picture jigsaw, perfect for creating collages or visual stories.

Another useful feature is the long view stitching, which supports seamless linking between the top and bottom of a long view. This is particularly handy for capturing panoramic shots or capturing a full-length view of a subject.

Background Eraser also offers smart matting options, including hair level matting and real picture matting. This allows users to easily remove backgrounds or isolate specific elements in their photos. Furthermore, the app provides the ability to customize picture backgrounds with either custom images or solid colors.

Lastly, the app includes a feature for producing certificate photos. With Background Eraser, users can easily change the solid color background of their photos to create professional-looking certificate photos.

With its versatile range of features, Background Eraser is a powerful tool for anyone looking to edit and enhance their photos. Whether you're creating collages, removing backgrounds, or producing certificate photos, this app offers intuitive and accessible options for all your photo editing needs.