Strange moiré effects seen in some QuickLook thumbnails lead down another rabbit hole in what we thought was reliable code.
JPEG
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?
Later this year, in macOS 10.15, one of the media types which will become unsupported is JPEG 2000 still images. Here’s how to find and convert your old images.
Passing documents containing sensitive or protected information without leaking that requires redaction – a minefield unless you know what you’re doing.
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?
How to prepare images for colour-critical situations, such as submission to a jury, or for giclée printing.
How you can strike the right balance between efficient compression of an image, and its quality.
An example workflow to convert RAW photo images and save them in JPEG format.
The Eclectic Light Company 