https://github.com/biodranik/heif

Mac OS X: Convert any image to HEIF/HEIC format
https://github.com/biodranik/heif

command-line convert heic heif image image-processing jpeg jpg mac-osx png swift tiff

Last synced: 3 months ago
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Mac OS X: Convert any image to HEIF/HEIC format

• Host: GitHub
• URL: https://github.com/biodranik/heif
• Owner: biodranik
• License: mit
• Created: 2018-11-06T07:15:36.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2024-01-08T21:26:39.000Z (about 1 year ago)
• Last Synced: 2024-10-25T05:49:42.390Z (3 months ago)
• Topics: command-line, convert, heic, heif, image, image-processing, jpeg, jpg, mac-osx, png, swift, tiff
• Language: Swift
• Size: 13.7 KB
• Stars: 72
• Watchers: 3
• Forks: 11
• Open Issues: 6
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# HEIF

Mac OS X 10.13.4+: Convert any image to HEIF/HEIC format

Usage: ```HEIF [-q=quality] ```

where quality is in range from 0.1 (max compression) to 1.0 (lossless), default is 0.76

Compiling on macOS (to create executable `HEIF` and copying to `bin` folder):

    cd HEIF

    swiftc -O -o HEIF main.swift

    cp HEIF /usr/local/bin

Or simply run from terminal without compilation:

    ./main.swift  [optional image2] [optional image3] [...]

Please note: odd image dimensions will be truncated by Apple's codec to even ones. 

## Swift 5 runtime

Starting with Xcode 10.2, Swift 5 command line programs you build require the Swift 5 runtime support libraries built into macOS. These libraries are included in the OS starting with macOS Mojave 10.14.4. When running on earlier versions of macOS, [this package](https://support.apple.com/kb/DL1998?locale=en_US) must be installed to provide the necessary Swift 5 libraries.