Encrypted Disk Images
File -> New Image -> Blank Image
- Pick a maximum
Size- take care with this, as your disk image won’t be able to grow larger than the value you set
APFS (Case-sensitive)unless you’re running a spinning disk drive, in which case pick
Mac OS Extended (Case-sensitive, Journaled)
256-bit AESunless that’s too slow for you
Image Formatshould be either
sparse bundle disk imageor
sparse disk image.
sparse disk imageif you want to create a single, large, encrypted file
sparse bundle disk imageif you want to create a lot of smaller, encrypted files - useful if you want to sync this image using something like OneDrive/Dropbox/whatever.
– via Apple Support and Eclectic Light Company
# Convert png to jpg, with 95% quality, while stripping any metadata convert -strip -quality 95% <source>.png <destination>.jpg