The tl;dr is that it provides terminal fuzzy finding that can be plugged into just about any task that involves finding things.
I use it many times an hour, it's the main way I navigate files and buffers in nvim, it's how I find files in my projects, it's how I select sessions in tmux.
https://www.redhat.com/sysadmin/fzf-linux-fuzzy-finder
The tl;dr is that it provides terminal fuzzy finding that can be plugged into just about any task that involves finding things.
I use it many times an hour, it's the main way I navigate files and buffers in nvim, it's how I find files in my projects, it's how I select sessions in tmux.
I'd be lost without it.