It can read many image formats including TIFF, GIF, JPEG, BMP, as well as raw formats. Image J will also handle some 12-bit images ( ImageJ2 supports many more formats). Image J can display, edit and analyse 8-bit, 16-bit and 32-bit images. You can listen to this online introduction podcast to ImageJ by Kevin Eliceiri here. ImageJ2 extends the capability of ImageJ to support the next generation of multidimensional scientific imaging, see this paper for further details, and this flavours link. A good introduction can be found on Wikipedia with a general history in Nature Methods and a later paper explaining the development of ImageJ2 – the ImageJ ecosystem – in a special issue of Molecular Reproduction & Development on Advances in Biological Imaging. It was developed by Wayne Rasband at the National Institute for Health, subscribing to the four freedoms underpinning truly free software. For those of you using Apple Mac or Linux operating systems, Image J is a free, non-commercial, Java-based cross-platform image analysis and display programme in the public domain that you can tune to your own requirements. laser-scanning confocals) run solely from Windows-based software, and save the images generated on those microscopes in a brand-dependant proprietary format.
Many of the core facility microscopes (e.g. Top ten microscopy papers – under revision 2020.Images & optical illusions: seeing the scientific image.