HEIC vs JPG on Windows: Real compatibility problems, exact file-size examples, and how to fix them

https://remote-wiki.win/index.php/When_1.9_MB_Turns_into_1.2_MB_and_Looks_Like_Mud:_How_to_Compress_Media_Without_Killing_Color

Which specific questions about HEIC compatibility and storage should you care about? Short answer: the ones that affect whether your photos open, how much disk space you actually use, and whether your backups or web uploads explode in size