NCH Pixillion Plus 10.57 macOS

Optimize Photos for Web, Email or Print
The easy one-click process makes Pixillion perfect for converting your image files and digital photos for posting on the web, emailing to friends, or displaying on your mobile phone.
Image Conversion Features
Convert or compress thousands of photos at a time with batch conversion. Preserve vector graphics when converting between vector formats. Resize images, add text captions and watermarks and even convert images from the right-click menu.
Preview Images
Before Converting Preview images before conversion, as well as image file format, compression settings and dimensions for image resizing.
Convert Image Formats
Convert jpeg, gif, png, pdf, bmp, raw, psd, ico and many other image file formats.
(Mac OSX) 10.5 or above
Home Page-http://www.nchsoftware.com/imageconverter/kb/1227.html