Make ZIP files smaller with ZIP Shrinker

I built ZIP Shrinker, a little browser tool to shrink ZIP files. It also works with formats that are secretly ZIPs underneath, like EPUB, JAR, and many more. Try it out! How does it work? At a high level, this tool (1) re-compresses every file in the ZIP archive with higher compression (2) removes all metadata (3) removes entries for directories. Re-compressing ZIP files are typically compressed…