statusin developmentOSWindows, Linux, Macembeddable byall C compatible languagesREST APIsJSON API, Querystring APIweb serverbuilt-incodecsOSS+customfile sizesworld-classperformanceunparalleledcolor profilescorrectbuilt withRust, C11, C++componentsseparate libimageflow.dll, imageflow_server.exe-greenrendering enginecustom

We expect a usable beta of libimageflow and imageflow-server in 2016, with a stable release the following year. Imageflow makes a cross-platform ImageResizer 5 possible. If you backed Imageflow on Kickstarter, you can already access a limited command-line version of the tool.


statushighly stableOSWindows Serverembeddable byC#/F#/VB.NET except .NET CoreREST APIsQuerystring APIweb serverIIScodecsWindows APIsfile sizesdecentperformancegoodcolor profileslimited by windowsbuilt withC#, F#, C++/CLI, C89componentscombined server, client, and libraryrendering engineGDI+ (free) / custom (with Performance license)

ImageResizer is the best image server for ASP.NET. It can be dropped into existing apps and works alongside your CMS or existing platform to eliminate manual image tasks, enable fast and adaptive websites, and improve your sales by reducing page load time.

Your server can prepare images 5,000 50,000 times faster than you. Let it compress more than your HTML.

  • <div class="container">
  •   <img src="img.jpg?" />
  • </div>

Add commands to image URLs to get altered versions in milliseconds. Save for Web is dead; embrace the responsive web.

Create images that impress and inspire

ImageResizer provides a comprehensive set of photography tools, from powerfully simple one-command adjustments, such as white balance correction and noise removal, to cutting-edge advanced controls, such as red-eye correction, object removal, and seam carving. Have your server deliver final images to the browser in milliseconds.

Here's a review of basic commands and here's a more comprehensive rundown with advanced features.

Don't Believe Us?

ImageResizer is trusted by small businesses and Fortune 500 companies alike. We're proud to let our customer satisfaction and our product speak for themselves.

Explore Our Site


Resizer 4.0.5 - Jan-31-2016

3 bug fixes

Resizer 4.0.4 - Oct 25 2015

Major release with security and massive performance improvements

Highlights of ImageResizer v4

Highlights of ImageResizer v4

ImageResizer v4 brings licensing changes

ImageResizer v4 brings licensing changes

Resizer 3.4.3 - May 8 2014

New release adds metadata copy support, fixes 4 bugs.

Help us make ImageResizer better

We need your help to develop the next version of ImageResizer. Take a minute to answer our 5-question survey so we can get to work making your work easier.


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