jpeg-junkify

jpeg-junkify

an image quality reducer

Jpeg-junkify is a utility that reduces the quality of JPEG images without changing their dimensions. This makes them take up less space on computers. The utility runs on single files or whole folders.

Dependencies

Go 1.17 is used to build the application.

Make is used by Makefile to build the application.

Build

Run make to build and run the application. This creates the jpeg-junkify executable in the build folder.

To compile for Windows, run make GO_ARGS="GOOS=windows" OBJ="jpeg-junkify.exe".

The GOARCH build flag can be added after GOOS to specify the CPU architecture: make GO_ARGS="GOOS=linux GOARCH=386". Common values are amd64, and 386.

Testing

Run make test to run the tests for the application.

Running

The application runs on the command line. Run it with the -h parameter for more information: ./build/jpeg-junkify -h

Examples:

• ./build/jpeg-junkify -b 3M -in-dir ~/Desktop/maps/ -out-dir ~/Desktop/out/
• ./build/jpeg-junkify -f cows.jpg -b 750KB