Valve spring removal tools help in the removal of valve springs, but the right type of valve spring remover needs to be used.
Overhead Valve Spring Removal Tool
This type is used for grabbing the valve spring at the top and bottom, compressing it, and providing room to remove the keepers
Using an Overhead Valve Spring Removal Tool
This compact valve spring compressor grabs on to the spring on two sides, top and bottom, and compresses it by rotating the wheel at the top.