What is it? ImageJ is a free, open source image processing program that can display, edit, analyze, process, save and print various image types. ImageJ, written in Java, was designed with an open architecture that provides extensibility via Java plugins. Custom acquisition, analysis and processing plugins can be developed using ImageJ’s built in editor and Java compiler. Fiji is version of ImageJ which includes additional plugins that facilitate scientific image analysis.

What can I use it for? Since the ImageJ and Fiji are both open source software, anyone can use it for almost any purpose.

Where can I run it? Being open source, you can install it on any Linux, Mac or Windows computer. ImageJ is available on OIT’s Apps@UT server and on the computers in the OIT public computer labs. There is no simultaneous user limit for ImageJ.

How can I learn it? At UTK, you can schedule a one-on-one tutorial any time by calling the OIT HelpDesk at 865-974-9900. To learn on your own, read the Getting Started tutorial, then peruse the User Guides, additional tutorials, and presentations.

Where can I get support? OIT offers Full Support for ImageJ and Minimal Support for Fiji to University of Tennessee, Knoxville-area students, faculty, and staff. For assistance, contact the OIT HelpDesk at 865-974-9900. The software’s main web site also offers many sources of assistance.

Updated 1/8/2024