If you only have one or two files and do not want to install software, certain advanced online file conversion platforms support the IS2 extension. How to use them:
You can batch-convert entire folders using Process > Batch > Convert . is2 file to jpg converter
When you convert an IS2 file to a flat JPG, you lose the ability to change the temperature scale or read specific pixel temperatures later. Always keep your original IS2 files as a backup if you need to perform deeper analysis in the future. Method 1: The Official Way (Testo IRSoft Software) If you only have one or two files