YAFFeather is a Chrome add-on developed by Alex. It is a free program categorized under Browsers and falls into the subcategory of Add-ons & Tools. YAFFeather is a fork of Feather, originally created by sw33ze, with several noticeable changes.

One of the notable changes in YAFFeather is the resignation process. It now takes two keypresses (E, E) and no longer creates a popup. This change streamlines the resignation process and improves the user experience. Additionally, pressing the R key quietly copies the nation URL of the invite to the clipboard, eliminating the need for a second keystroke.

YAFFeather also introduces changes to the keybinds. ROing (Regional Officer actions) now requires two keystrokes instead of three. The U, V, and W keys have been rebound, offering users a different key combination for certain actions.

The program provides a comprehensive list of keybinds, including actions such as refreshing the page, going back, endorsing and unendorsing nations, banning nations, ejecting regions, confirming WA (World Assembly) join, moving to regions and suspicious tabs, applying/resigning to/from WA or joining on an invite, going to the current region page, copying the current nation URL to the clipboard, and appointing yourself as RO or dismissing other ROs.

YAFFeather is a tweaked version of Stock Feather, offering users a modified experience with improved functionality and streamlined processes.