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Joined 9 months ago
Cake day: January 8th, 2024
  • person@lemm.eetoAsklemmy@lemmy.ml•*Permanently Deleted*
    3·
    7 months ago

    As others have pointed out simply copying the file, or compressing it in a zip will never ever change it. It is fundamentally the exact same file. If you load it up in a photo editor (not just viewer), and resave it from there, then it might lose more quality.

    Renaming it to png changes essentially nothing about it. Most software will still recognize that it’s a jpg, and open it up as such. If they tried to open it as a png, they would fail. If you load the jpg into a photo editor and save it as png from there then it will actually change formats. But there is no point in doing this. The png’s file size will be much larger, and you can not get any of the quality back that you lost when initially saving it as a jpg.