These buttons move selected tangents by 1px, or 10px if you hold
Copies the selected tangents. You can copy one or both tangents of a pair. You cannot copy tangents from different points.
Pastes the copied tangents to the selected tangents. You can paste to multiple tangents simultaneously.
If you copy and paste both In and Out tangents, they will paste in-to-in and out-to-out. If you copied only one tangent of a pair, and you paste to only one tangent, you will paste the tangent you copied, end of. Also see Advanced tangent pasting on the next page.
Zero’s out the selected tangents. You can also zero tangents by pressing the
Backspace(delete) key on your keyboard, when in the Tangents tab.
This button swaps a pair of tangents with one another.
Makes the selected tangents the same length as their opposite. If you only selected one tangent of a pair, it will become the same length as the other. If you select both tangents of a pair, both will be altered to their average length.
Rotates a selected tangent so that it is exactly 180º to it's opposite, and set the point to smooth (the tangent handles are linked to one another to maintain a straight line as you drag them around). If you select both tangents of a pair, their angles will be averaged and then each one set to +90º and -90º from this average.
Rotates a selected tangent so that it aligns directly toward it's neighbouring point. Eg. an In tangent will face toward the previous point and an Out tangent will face toward the next point.
This button will rotate tangents by a value, specified in degrees, around their parent point. Holding the
Altkey will make it rotate in the opposite direction. Hover over the button and click the gear icon to Set Rotation value.