Many of these are defaults dating back to the Unix days, particularly tar (tape archive) and gzip.
Krita (KRA), GIMP (XCF), and Photoshop (PSD) save files in a lossless internal format that preserves layers etc. Every time you open and save a jpg, it gets worse, and that's not acceptable for professional use. If all you want is to crop/draw on images, something like KolourPaint is probably a better choice.
MP4 is/was patent encumbered depending on jurisdiction.
Many of these are defaults dating back to the Unix days, particularly tar (tape archive) and gzip.
Krita (KRA), GIMP (XCF), and Photoshop (PSD) save files in a lossless internal format that preserves layers etc. Every time you open and save a jpg, it gets worse, and that's not acceptable for professional use. If all you want is to crop/draw on images, something like KolourPaint is probably a better choice.
MP4 is/was patent encumbered depending on jurisdiction.