The most widely used and best image converter for the Mac is the built in Mac image program known as CorelDraw. It is included in all Mac systems since 1995, which it continues to be a mainstay on the Mac OS X menu and workspace. It is an extremely powerful, easy to use image editing utility with full-fledged image format support for TIFF, JPEG, PNG, GIF, and others. It has excellent support for all popular image formats and converters that produce results faster and with higher quality.
A popular tool for generating thumbnails, saving images in a variety of formats such as JPEG, PNG and TIFF among others, is the iwinsoft image conversion for Mac. This utility is free from any third party adware or spyware. It is also great for converting between different formats such as the commonly used JPEG and GIF formats. Another feature of iwinsoft image converter for Mac is that it supports both slideshow and non-slideshow transitions, so you can easily switch between pictures.
For batch conversion, the iwinsoft Image Conversion For Mac allows conversion of a selection of popular image formats such as JPEG and GIF. It uses advanced algorithms to speed up the conversion process, even when there are many images to convert. Another added advantage of using iwinsoft for Mac is that it supports both raster and vector formats, so you can easily convert multiple image files using this application without having any problem. It also has an animated background to match your preferences, which makes it great for creating smooth transitions between images.