DPI Converter is a browser-based image resolution and DPI adjustment tool designed to help users prepare images for printing, official documents, passport photos, academic submissions, and professional design work. The platform supports common image formats, including JPG, PNG, TIFF, and BMP, and allows users to select standard DPI values such as 72, 150, 300, 400, and 600 or enter a custom DPI setting. Users can upload an image, adjust its DPI metadata, and download the converted file without installing software. The tool features client-side image processing, a mobile-friendly interface, and free access. It is suitable for students, photographers, designers, office professionals, print shops, freelancers, and anyone who needs a convenient way to adjust image DPI.