XnConvert is a powerful and free cross-platform batch image processor, allowing you to combine over 80 actions. Compatible with 500 formats. It uses the batch processing module of XnViewMP.

Features
Extensive Toolset
Combine and choose between more than 80 different operations including

Metadata Editing.
Transforms: Rotate, Crop, Resize, ...
Adjustments: Brightness, Contrast, Saturation, ...
Filters: Blur, Emboss, Sharpen, ...
Effects: Masking, Watermark, Vignetting, ...
and seamlessly export to
NConvert
for a command line usage.

For Everyone
XnConvert is Multi-platform, it is available for Windows, Mac, and Linux for both 32-bit and 64-bit editions.
XnConvert is Multilingual, it includes more than 20 different translations.
It offers powerful features in an easy to use interface providing convenient drag & drop functionality.

Unrivaled Compatibility
XnConvert is compatible with more than
500 formats
and Export to about 70 different file formats.

Whats New

https://www.xnview.com/en/xnconvert/

Homepage

https://www.xnview.com