Lossy and non-lossy compression explained, with examples and an outline of how JPEG compression is performed.
HEIC
What difference does it make when a file has a block of 512 bytes corrupted instead of just a single byte? Results from image formats and recovery using ECC.
Which format – alongside Camera Raw – should you store archived images in: JPEG, PNG, TIFF or Apple’s new HEIC?
All about Mojave’s Dynamic Desktop, whether you can get rid of those files, and how to make your own personal Dynamic Desktop.
How the iOS Photos app may save your PNG screenshot images in JPEG format: one mystery solved, another opened.
When you take a screenshot in iOS, it is saved in PNG format. There is no option. So why do mine come across on iCloud Drive as a JPEG?
The first tools to write HEIF still image and HEVC movies are now starting to arrive. Do they confirm their potential? Are they ready to use yet?
Apart from APFS, the features in High Sierra which I was looking forward to most were support for better image and video compression. So where are they?
Alex Karahalios’ shell script and Automator workflow to convert JPEG to HEIF/HEIC files.
Which apps can write image files using High Sierra’s wonderful new HEIF? I can’t find one, can you?
The Eclectic Light Company 