GDSII-2-ASCII Dumper Utility

This is an utility for convert GDSII HEX stream data to readable ASCII format. GDSII is a data format used in semi-conductor mask layout.

Prerequisite & Install:

• Windows, macOS, Linux
• Python 3

Run:

Open Terminal and run this command:

python3 gds2ascii.py <input.gds> <output.json>

Test:

python3 -m unittest tests.test_gds2ascii -v

GDSII Format Reference

• https://boolean.klaasholwerda.nl/interface/bnf/gdsformat.html
• http://bitsavers.informatik.uni-stuttgart.de/pdf/calma/GDS_II_Stream_Format_Manual_6.0_Feb87.pdf