KLayout (64bit)0.29.4

KLayout is a powerful, open-source layout viewer and editor for integrated circuits (IC) and MEMS (Micro-Electro-Mechanical Systems). Developed with both flexibility and performance in mind, it caters to the needs of chip designers and engineers by providing a robust platform for viewing, editing, and analyzing complex IC designs.

KLayout supports various standard file formats, including GDSII and OASIS, making it a versatile tool for the semiconductor industry. Its advanced scripting capabilities, available through Ruby and Python, enable users to automate repetitive tasks, customize workflows, and extend the tool’s functionality to fit specific project requirements.

One of the standout features of KLayout is its high-performance rendering engine, which allows for smooth navigation and manipulation of large-scale designs. Additionally, KLayout offers a comprehensive set of tools for design rule checking (DRC), layout-versus-schematic (LVS) verification, and hierarchical editing, ensuring that designs meet stringent industry standards.

The KLayout community actively contributes to its development, continually enhancing its capabilities and ensuring it remains up-to-date with industry advancements. Overall, KLayout is an essential tool for IC designers seeking a reliable, customizable, and efficient layout editor.

Key Features:

  • Layout Editing: Powerful tools for creating and editing circuit layouts.
  • File Format Support: Compatible with GDSII and OASIS standards.
  • Scripting: Customizable with Python scripting for automation.
  • Customizable UI: Flexible interface tailored to user preferences.
  • DRC: Checks designs against manufacturing rules.
  • Layer Management: Advanced control over layers and properties.
  • Rendering: High-quality visualization and zoom capabilities.
  • Simulation Integration: Links with simulation tools for design validation.
  • Open Source: Free and open for modification and distribution.
  • Community: Active support and resources from a dedicated user base.

KLayout layout viewer editor

User Reviews


User Rating


Windows 8/ Windows 10/ Windows 11




Matthias Kofferlein


Jul 9, 2024


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Latest Version

KLayout (64bit) 0.29.4

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