Convert wpg to otb

What is the difference between .wpg and .otb?

Description: This format was created in the WordPerfect word processor, which is supported by different operating systems. WPG may contain raster and vector graphics, including Encapsulated PostScript. It used for clip art files, which are often inserted into text documents.; The OTB (Nokia Over The Air Bitmap Image) file format is a type of image file developed for use on Nokia mobile devices. These files are specifically optimized for efficient transmission and display on Nokia phones, particularly older models. The OTB format is designed to be compact to facilitate over-the-air (OTA) transmission, which was an essential feature in the era of limited bandwidth and data transfer capabilities. The format supports monochrome graphics, making it suitable for simple images like icons and logos.