xxd creates a hex dump of a given file or standard input. It can also convert a hex dump back to its original binary form. xxd is a part of vim. This standalone version can be useful for users of neovim who want to remove the stock vim. This package is useless if vim is installed. Since xxd is a part of vim, xxd-standalone conflicts with the stock vim package. You should remove vim before installing xxd-standalone. If, by some reason, you have xxd-standalone installed simultaneously with vim and decide to remove vim, you may need to reinstall xxd-standalone. If you remove xxd-standalone, you'll need to reinstall vim.