If the file is not opening with the methods above, check if the extension was typo'd:

| User Type | Best Method | |-----------|--------------| | (Heidelberg) | HEYEX native export | | Researcher / non-Heidelberg | ImageJ + Bio-Formats | | Batch processing / automation | Python script | | Quick single image | HEYEX or IS2 Viewer | | Online/occasional | Avoid due to privacy risks |

When you convert to JPG, you are flattening the image. You keep the visual representation of the thermal map, but . You will no longer be able to use software to point at a pixel and read its exact temperature, nor can you change the emissivity or color palette later.

For laboratories running high-throughput sorting machines (e.g., recycling plants using Specim cameras), manually converting each file is impossible. The solution is Batch Processing.

The .IS2 format's main strength is for in-depth analysis, but for everyday sharing and viewing, it presents some major obstacles that make conversion to JPG necessary:

These services typically automatically delete uploaded files from their servers after 24 hours . However, never upload sensitive or confidential data to any online service.

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