What is ImageJ?
ImageJ is an open-source image processing and analysis program developed by Wayne Rasband at the National Institutes of Health (NIH). It is widely used in biological and biomedical research for tasks such as measuring fluorescence, counting cells, and analyzing microscopy images. ImageJ supports hundreds of image formats and can be extended through a large library of community-developed plugins.
Files ImageJ opens
Click any badge for full per-format details - what it is, how to open it and how to convert it.
File conversions with ImageJ
Click any pair for a step-by-step guide to convert the file.
Download ImageJ
SOURCErsbweb.nih.govofficial site - avoid third-party download portals
PLATFORMSCross-platform
