Image Tuner!

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. Use ImageMagick to translate, flip, mirror, rotate, scale, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves. ImageMagick is free software delivered as a ready-to-run binary distribution or as source code that you can freely use, copy, modify, and distribute. Its license is compatible with the GPL. It runs on all major operating systems. The functionality of ImageMagick is typically utilized from the command line or you can use the features from programs written in your favorite programming language. Choose from these interfaces: MagickCore (C), MagickWand (C), ChMagick (Ch), Magick++ (C++), JMagick (Java), L-Magick (Lisp), PascalMagick (Pascal), PerlMagick (Perl), MagickWand for PHP (PHP), PythonMagick (Python), RMagick (Ruby), or TclMagick (Tcl/TK). With a language interface, use ImageMagick to modify or create images automagically and dynamically. »

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 choosing the right parameters are the key factors of smaller files. Previewing the resulting image and the projected filesize will help the user choose the best settings. This kind of image optimization software is often called “Save for web”.

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, png, gif, camera raw, jpeg2000, WebP, OpenEXR, ...).You can resize, add a watermark, change contrast, brightness or gamma, apply filters and many other things.

-Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs-No image quality is lost — only file size-Converts JPG, GIF, TIFF, and BMP files to PNG-Ultra-configurable

Phatch = Photo & Batch! Phatch is a simple to use cross-platform GUI Photo Batch Processor which handles all popular image formats and can duplicate (sub)folder hierarchies. Phatch can batch resize, rotate, rename, ... and more in minutes instead of hours or days if you do it manually. Phatch will also support a console version in the future to batch photos on web servers.

XnShell is a free File Explorer extension that installs a number of image-related tools in the right-click context menu, including a thumbnail preview, image conversion to a wide variety of formats, image resizing, editing image IPTC metadata, uploading to ImageShack, and other functions.

Converseen is an open source batch image resizer and conversion tool written in C++ with the powerful Qt4 libraries.

Convert and Rename images in batch mode

Imaging is a Collection of Image Related Tools (Image Viewer, Image Converter, Image Resizer, Image Optimizer, etc).

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

Light Image Resizer, previously called VSO Image Resizer, is a shareware resize image software. With it you can create e-mail friendly versions of your images, load them faster, move them easily from folder to folder, change their format, edit large numbers of image files/batch image resize and thus save space on your hard drive. Using high resolution 1600x1200 for creating wallpaper or file-sharing you can save your memory. Light Image Resizer can also change file names using a template and you can add your own watermark with transparency support. Light Image Resizer is integrated into the Windows explorer shell, right click on your pictures and start working on your pictures ! »

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 which support reading, writing, and manipulating an image in over 88 major formats including important formats like DPX, GIF, JPEG, JPEG-2000, PNG, PDF, PNM, and TIFF.

Image Converter Plus is a multifunctional conversion and resizing tool for Windows operating system. + Convert files in hundreds of image formats and dialects with superior quality + Save images to popular formats + Right click conversion is the fastest way to convert using profiles + Right click to preview images (or turn off this option) + Convert batches of unlimited number of files while retaining folder structure + Set file saving parameters with professional image format settings + Sophisticated tools to work with multi-page files. Choose which pages of your input files to convert and set the precise page order for the output multi-page file + Wide array of image resizing tools, including percents, exact sizing, resolution, resolution and image size, fit in size, fill in size and more + Unlimited file size. Increase or reduce gigantic files + Blur, brightness, sharpen, unsharpen mask, gamma and other filters + Mirror, canvas, crop, auto crop, margins, rotate + Flexibly set, edit and remove EXIF and IPTC metadata, use non-standard metadata + Convert and email images with one click + Upload files to FTP server with one click, retaining directory structure + Watermark your images + Apply color profiles in the conversion process + Replace colors, transparency + Flexible options for creating output file names + Fully functional command line interface for use on a server or document exchange system + Full-feature viewer for all supported formats without embedding in the operating system + Get the most complete information about input/output images + Convert from PDF format and to PDF(PDF/A) format »

Pixillion is a photo and image conversion software to convert image files between gif, jpg, png, pdf and much more. Before converting your file Pixillion allows you to view the image within the application as well as display the current file parameters.

ImageSplitter is a Swiss army knife solution for your simple image processing. When it comes to cropping, resizing, converting or splitting images — ImageSplitter is your best companion. And what is great about this online service — it is fast free, simple and unobtrusive.