Maya tools written in Python and Pyside.

Save all the rendered images in the render window.

Create a checker shader with the click of a button. Useful for uv checking.

Bake the texture for the given frame range and size.

Texture Baker inspired by Image Sequence Blendshape Baker written by Michael Yates.
Update: Up on further search found this amazing tool. Which pretty much does what I wanted.
Search before developing any stuff. Lesson learned. leaving it here for pedagogical purpose.