zipalign
Zip archive alignment tool.
TLDR
Align the data of a ZIP file on 4-byte boundaries
$ zipalign [4] [path/to/input.zip] [path/to/output.zip]
Check that a ZIP file is correctly aligned on 4-byte boundaries and display the results in a verbose manner
$ zipalign -v -c [4] [path/to/input.zip]