WhatsApp Mod is a customized version of the popular messaging app, WhatsApp, created by third-party developers. These modifications offer users enhanced features and customization options not available in the official version. WhatsApp Mods typically include features like advanced privacy settings, custom themes, increased file-sharing limits, and the ability to hide online status. Users can personalize their experience with a variety of themes, fonts, and emojis, allowing for a more tailored and visually appealing interface.