Ralpha Image Resizer!

ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization). ImageOptim removes EXIF meta­data, such as GPS position and camera's serial number, so that you can publish images without exposing private information (but there's an option to keep the meta­data if you need it).

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”.

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. Advanced users will find extra features, like metadata storing options or folder structure support.

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.

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.

PngOptimizer compresses graphics files and removes extra, unnecessary data without affecting quality. It will update PNG files or converting BMP, GIF or TGA files to the PNG format using simple drag-and-drop. You can also paste a clipboard image straight into PngOptimizer and get a PNG file directly.

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).

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. ImBatch can batch resize and convert images in minutes instead of hours or days if you do it manually. It handles all popular image formats: BMP, DIB, RLE, TIF, TIFF, FAX, G3N, G3F, XIF, GIF, JPG, JPEG, JPE, JIF, PCX, PNG, TGA, TARGA, VDA, ICB, VST, PIX, PXM, PPM, PGM, PBM, WBMP, JP2, J2K, JPC, J2C, DCX, DAT, PSD, WDP, HDP. And it is absolutely FREE. »

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 ! »

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 »

Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.

Split multiple pictures into specified number of slices by rows and columns or into tiles of a desired size!