: Designed to handle massive mask layout files with fast loading and responsive drawing.

: Includes built-in features for Design Rule Checking (DRC), Layout vs. Schematic (LVS) verification, and layout-to-netlist conversion.

: Offers flexible layer configuration, including transparency, dimming, highlighting, and customized style options.

Beyond simply opening files, KLayout provides a robust set of tools for detailed layout inspection:

: Highly extensible using Python or Ruby , allowing for the automation of complex tasks and the creation of custom PCells. Download and Installation KLayout Layout Viewer And Editor