Abstract: A platform that attaches to a step on a ladder and has a tray that holds tools, work pieces or other articles. The tray attaches to the step using a support member and a latch, such as a spring-loaded latch. The platform can be removed from the step by moving the latch to its open position. The distance between the support member and latch can be adjusted to support various sizes of ladder steps. The platform can also be used while the ladder is supported against a wall.