GDS OAS
File conversion

Convert GDS to OAS

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Is it possible to convert GDS to OAS?
Yes - GDS converts to OAS.

OASIS is GDSII's modern, far more compact successor. Convert in KLayout (File > Save As > OASIS) or via gdstk. Recommended for very large designs; semantically equivalent geometry.

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert GDS to OAS

Converting a .GDS file to .OAS lets you open the content in software that prefers the .OAS format, though some details may change compared with the original. We are still putting together the list of programs that handle .GDS files.

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

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