Image Forge is described as 'Resize, compress, convert, watermark and crop images by the hundreds in one clean offline desktop studio. No Photoshop, no subscription, no cloud uploads — everything runs locally' and is a Image Optimizer in the photos & graphics category. There are nine alternatives to Image Forge for a variety of platforms, including Windows, Linux, Mac, Web-based and iPhone apps. The best Image Forge alternative is ImageMagick, which is both free and Open Source. Other great apps like Image Forge are XnConvert, OptiImage, G'MIC and Converseen.
ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.
United States
XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux.
France
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Optimize PNG, JPEG, WebP, and SVG images efficiently with flexible lossless and lossy compression modes, metadata control, and safe mode to avoid data loss, using tools like oxipng, jpegoptim, scour, and cwebp, enhancing image storage and load efficiency.
GermanyEU
G'MIC is a full-featured open-source framework for image processing, distributed under the CeCILL free software licenses (LGPL-like and/or GPL-compatible). It provides several different user interfaces to convert / manipulate / filter / visualize generic image datasets...
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.
ItalyEU
Image Tuner is a free batch image resizing, renaming, conversion and watermarking software with a super-intuitive and straightforward interface.
Russia
GraphicsMagick is the swiss army knife of image processing. Comprised of 282K physical lines (according to David A. Wheelers SLOCCount) of source code in the base package (or 952K including 3rd party libraries) it provides a robust and efficient collection of tools and libraries...
PhotoBulk is easy-to-use bulk image editor that lets you add text/image watermark, resize, and optimize hundreds and thousands of images or photos in just one click.
United States
NConvert is a powerful command line multi-platform batch image processor with more than 80 commands. Compatible with 500 image formats.
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