SHEED! is a Chrome add-on designed to give users precise control over the speed and timing functions of web pages. With adjustable speed settings ranging from 1x to 25x, users can easily tweak the pace of animations and script executions on compatible sites. The tool features quick shortcuts for efficient access, alongside a general mode for standard acceleration and a specialized PG Slots mode. Other notable features include integrated proxy settings, an IP display, and a built-in calculator accessible through the popup interface.

This free add-on requires permissions to modify page content through script injection and optionally allows proxy usage. Additionally, it stores data locally in the browser for convenience. The tool is particularly beneficial for users looking to enhance their browsing experience by controlling the rhythm of web animations and improving the performance of various scripts.