XnConvert Alternatives

Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.

Compress your pictures up to 90% without visible quality loss.

Convert and Rename images in batch mode Support JPEG, BMP, GIF, PNG, TIFF and JPEG2000

ImBatch is a batch image processor with a nice graphical user interface.

Phatch = Photo & Batch!

High-speed image batch conversion tool

Fotosizer is a freeware batch image resizer tool. It resizes your photos in just 3 easy steps - 1.

PhotoBulk is a bulk image editor for Mac that was created for the best experience of batch editing. With this image editing software for macOS you can add watermarks, optimize and resize pictures, convert images or rename photos in bulk.

Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats

Compress and compare images with different codecs, right in your browser

-Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs

Faster web pages and apps.

ImageMagick is a software suite to create, edit, and compose bitmap images.