ASP.NET library and image server

Your server can prepare images 5,000 50,000 times faster than you.

  • <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.

Please support our upcoming Kickstarter for Imageflow

Imageflow provides a cross-platform imaging library that will enable ImageResizer to work on Core CLR and all platforms.

A 4 click survery, if you can spare the time?

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.



Imageresizer is a product of Imazen LLC. Imazen specializes in developing open source software targeted at developer needs.

Meet the Staff

The same small size that ensures personalized service for all our clients also lets us show you everyone in our company on a single page. Come and see who'll answer that email you sent us.

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