OkTools is a subscription-based extension designed for Firefox users engaging with the social networking site ok.ru. This tool allows users to enrich their experience on the platform by providing features such as downloading music and videos, sending beautiful greetings, and customizing statuses. It also offers personalized themes for the site, making it a versatile addition for regular users of ok.ru.

As a user script manager, OkTools enables the integration of pre-existing user scripts to add new functionalities to the ok.ru website. It supports scripts made for popular script managers like Tampermonkey and Violentmonkey, and users can also create their own scripts using the built-in editor. This flexibility allows for a customized social networking experience tailored to individual preferences.