Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and multiple image processing at the same time, everyone will be able to reach the best result.
Convert and Rename images in batch mode
Support JPEG, BMP, GIF, PNG, TIFF and JPEG2000
Resize, crop, change color depth, apply color effects, add text, watermark and border effects
Rename images with sequential number
Search and replace texts in the file names
Phatch is an user friendly, cross-platform Photo Batch Processor and Exif Renamer with a nice graphical user interface. Phatch handles all popular image formats and can duplicate (sub)folder hierarchies.
Last code commit in 2010, latest release from 2014.
Converseen is a free cross-platform batch image processor for Windows and Linux that allows you to convert, resize, rotate and flip an infinite number of images with a mouse click.Warning
Installation without activation key works showing different dangerous 3rd party softwares (bloatware, spyware, etc.). Avast Antivirus detected at least 3 different kind of viruses (or potentially viruses/dangerous software).
Compress or convert images on the web with offline support. Images are not uploaded on server and processed on client with webassembly. Support for formats like JPEG, PNG, WebP, AVIF and JXL.
ImBatch is a batch image processor with a nice graphical user interface. It will allow you to edit multiple image files at the click of a button by using scripts. The script will be created by combining Tasks.
With BIMP you can apply a set of manipulations to an entire group of images! It provides an easy to use interface and a lot of batch functions:
Split multiple pictures into specified number of slices by rows and columns or into tiles of desired size. Use over 130 Actions like resize, crop, contrast, etc. Convert to/from and save results in any of 30+ formats. Add watermarks and more!.