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nanoViewer

NanoViewer is a very fast gds/oasis viewer developed by Wuxinanotech to view very large layout. It is significantly faster than other commercial layout viewer for both hierarchical and flat layout.The free version of Nanoviewer is called NanoviewerLite. It’s capacity may be limited at around 1-2GB in input file size depending on memory size. The commercial version has no such limitation and runs much faster. In addition, the commercial version can handle flat layout very well.

nanoViewer is an easy-to-use, large file volumn, fast display standalone program for viewing and superimposing layout file and image data in various formats. For more information, please checkout nanoViewer datasheet: English, German, French, Russian, Chinese (Traditional), Chinese (Simplified), Japanese, Korean

The following are feature list for the two versions.


  • Accept both GDSII and Oasis layout format.
  • Can handle input file size of 1-2GB depending on memory size.
  • Intuitive and user-friendly graphical interface.
  • Speed faster than most layout viewer freely available on the internet.
  • nanoViewer Lite is free.
  • Optional technical support is available at minimum cost

  • Accept both GDSII and Oasis layout format.
  • Can accept compressed (gzip) GDSII files.
  • No known capacity limitation.
  • Intuitive and user-friendly graphical interface.
  • Speed faster than most commercial layout viewer.
  • Speed especially fast for flat layout.
  • Annual license starts at low cost depending on configurations.
  • Opening of mutiple GDSII or OASIS files.
  • Save, load and overlay image with layout.