The Keys toolbar for the Dope Sheet contains the Filter button and other display controls, as well as buttons for transforming keys and editing them in other ways.
Displays a Dope Sheet Editor mode that shows the keys as boxes on a graph. Use this to mode to insert, cut, and paste time. See Editing Keys in Dope Sheet.
Displays a Dope Sheet Editor mode that shows the keyed tracks as range bars. See Edit Ranges .
Use Filters to determine which scene components appear in Track View. Left-click to open the Filters dialog, or right-click to set filters in a context menu.
Move keys horizontally and vertically, horizontally only, or vertically only in the key window. Choose a Move Keys tool variant from the flyout. See Move Keys.
Use Slide Keys in the Dope Sheet to move a group of keys and slide adjacent keys away as you move. Affects only keys on the same controller track. See Slide Keys.
Creates keys on existing tracks on the Dope Sheet grid. Combine this tool with Current Value editor to adjust the key values numerically. See Insert Keys.
Use Scale Keys to compress or expand the amount of time between keyframes. Works both in Curve Editor and Dope Sheet modes. Uses the time slider as an origin point to or from which to scale. See Scale Keys - Time .