Top Alternatives to FastStone Photo Resizer

PhotoBulk is an easy-to-use batch photo editor. Watermark photos, Optimize and Rename photos at once.

ImageMagick is a free and open-source software suite for displaying, converting, and editing raster image and vector image files.

Radical Image Optimization Tool (RIOT) is a free image optimizer that will let you to visually adjust compression parameters.

XnConvert is a powerful and free cross-platform batch image processor, allowing you to combine over 80 actions.

Image Tuner is a free batch image resizing, renaming, conversion and watermarking software with a super-intuitive and straightforward interface.

Light Image Resizer can resize and convert images one by one or in batch as well as other features.

Kigo Image Converter helps you change between multiple types of picture files with the possibility to change size specifications.

Caesium is an image compression tool.

GraphicsMagick is a utility of image processing.

ImBatch is a batch image processing software.