Fork of Quick Compress for 1.20.1
This fork complies with LGPL 3 license terms as stated in the original mods repo here:
https://github.com/przemykomo/compress-button
press the keybind (default 'C') while hovering a mouse over the item you want to compress to compress it in your inventory. Hold shift while doing it to compress all items that match the item in your inventory.
The Quick Compress (Fork) Team
