ImageMagick

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...

Free Open Source Mac Windows Linux iPhone iPad ... Xfce

126 Like

XnConvert

XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux. It supports more than 400 file formats (jpeg, tiff...

Free Mac Windows Linux

46 Like

Caesium Image Compressor

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...

Free Open Source Mac Windows Linux Web Android

33 Like

RIOT - Radical Image Optimization Tool

Saving images for web/email/other media with the best compression ratio and quality is a difficult task if you don’t have the right tools. Choosing the right format then...

Free Windows GIMP XnView IrfanView

80 Like

Squoosh

Compress and compare images with different codecs, right in your browser. Squoosh is an image compression web app that allows you to dive into the advanced options...

Free Open Source Web

11 Like

GraphicsMagick

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...

Free Open Source Mac Windows Linux

17 Like

XnShell

XnShell is a free http://alternativeto .

Free Windows Windows Explorer

12 Like

Image Resizer for Windows

Image Resizer for Windows is a utility that lets you resize one or more selected image files directly from Windows Explorer by right-clicking. It was created as...

Free Open Source Windows Windows Explorer

16 Like

PhotoBulk

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. ...

Commercial $ $ $ Mac

17 Like

Image Tuner

Image Tuner is a free software for batch resizing, converting, watermarking and renaming your digital photos and images from more than 20 image formats to JPEG, BMP...

Free Personal Windows

17 Like

Converseen

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...

• 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).

Free Open Source Windows Linux

10 Like

Ralpha Image Resizer

Ralpha Image Resizer is a lightweight and portable program that can perform image operations in batch mode, such as resizing and applying filters.

Free Windows

4 Like

FCorp Imaging

Imaging is a Collection of Image Related Tools (Image Viewer, Image Converter, Image Resizer, Image Optimizer, etc). Features : 1. Color Picker 2. Duplicate Image...

• Discontinued The program is no longer developed. Last version, released in July 2016, can be still bought from the official website.

Commercial Windows

16 Like

Online Image Converter

Online Image Converter converts your BMP, JPG, PNG, GIF or ICO files quickly and easily. It is completely free. Note that your image must not exceed 700Kb in size. If...

Free Web

7 Like

ImBatch

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...

Free Personal Windows

10 Like