Convert PNG, JPG, WebP, BMP and GIF (first frame) between each other with a quality slider.
Pick one or more images (PNG, JPG, WebP, BMP, or GIF — only the first frame is used for animated GIFs). Choose a target format; for JPG/WebP, set quality. When converting transparency to JPG, the BG color is painted behind the image. BMP output is not supported by browsers — use PNG instead. Everything runs in your browser via Canvas.