FastStone Image Viewer vs ImageOptim

FastStone Image Viewer

Description: FastStone Image Viewer is a free, lightweight image viewing and organizing program. It has an intuitive interface and supports a wide range of image formats like JPEG, GIF, PNG, BMP as well as raw formats from major DSLRs. Useful features include batch editing tools, screen capture, color schemes, and the ability to view images in full screen slideshows.

Type: software

ImageOptim

Description: ImageOptim is a free app that losslessly optimizes images by removing extra metadata and making compression more efficient. It works with common image formats like JPG, PNG, GIF, and SVG.

Type: software

Pricing: Open Source

FastStone Image Viewer Features

• Supports all major image formats (JPEG, TIFF, PNG, GIF, BMP, PCX, TGA, WMF, ICO, etc)
• Powerful image viewing features (zooming, panning, rotating, scrolling, drag-and-drop, etc)
• Many image processing tools (resize, crop, color adjustments, add text/watermark, etc)
• Batch conversion tools for converting images between formats, resizing, renaming, etc
• Screen capture tool
• Slideshow function
• Basic image editing (brightness, contrast, saturation, etc)
• Support for RAW files
• Thumbnail preview pane
• EXIF and IPTC metadata viewer

ImageOptim Features

• Lossless image optimization
• Removes EXIF metadata
• Supports PNG, JPG, GIF and SVG formats
• Drag-and-drop interface
• Command line interface
• Batch optimization
• Integrates with macOS Finder

FastStone Image Viewer

• Not listed

ImageOptim

• Open Source