Image converters are software tools or applications that change the format of digital images. For example, they can convert a JPEG file into a PNG or a GIF. This is useful for ensuring compatibility with different devices or software, as some formats are better suited for specific purposes, like web use or printing. These converters can also adjust image quality, size, and resolution during the conversion process. Many image converters are available online or as downloadable programs, making it easy for users to modify their images without needing advanced technical skills.