Shimless Aligner® is a Patented Tool designed to make the Rotating equipment alignment easy in any industry. Perfect shaft alignment of rotating machinery is essential for its smooth operation to increase the equipment life and reliability and Shimless Aligner® is an ideal solution to achieve it. Shimless Aligner® is a self-sustaining piece of equipment created to reduce maintenance and alignment cost. Shimless Aligner® is a permanent adjustable replacement in lieu of Precut Shims. It is capable of Correcting Soft foot, Vertical, Horizontal and Angular Misalignment, without lifting the equipment by Hydraulic jacks or cranes as needed to insert the precut shims in the present method, thus saving considerable, man-hours, production loss and machine downtime and enhancing safety. Further, it is possible to carry out Hot Alignment under operating conditions by the Shimless Aligner®.