KLayout 0.29.11 – Advanced Layout Viewer & Editor for IC Design

⚙️ KLayout 0.29.11 – Open-Source IC Layout Viewer and Editor

KLayout 0.29.11 is a professional-grade layout viewer and editor for integrated circuit (IC) design, supporting the GDSII and OASIS file formats. This open-source EDA tool is trusted by chip designers, researchers, and engineers worldwide for its precision, flexibility, and performance in semiconductor layout visualization and editing.

Whether you’re inspecting layouts, performing DRC/LVS checks, or creating custom scripts, KLayout provides the powerful features and automation you need for professional IC design workflows.

🔧 Key Features of KLayout 0.29.11

• 🧩 Full GDSII & OASIS Support:
  View, analyze, and edit layout files with complete layer and hierarchy control.

• 🧠 Powerful Scripting Interface:
  Automate layout tasks using Python or Ruby scripting — perfect for repetitive or complex operations.

• 📐 Precision Editing Tools:
  Create and modify layout structures with pixel-perfect accuracy and geometry snapping.

• ⚙️ Design Rule Check (DRC):
  Built-in DRC engine allows you to detect and fix design errors quickly.

• 🔍 High-Performance Viewer:
  Optimized for handling very large IC layouts with millions of cells efficiently.

• 🧰 Customizable Interface:
  Tailor the workspace, layers, and tools to match your design environment.

🚀 What’s New in Version 0.29.11

✅ Improved OASIS file handling for large projects
✅ Enhanced scripting API with new geometry functions
✅ Better memory management for complex layouts
✅ Bug fixes and overall stability improvements

💡 Why Choose KLayout?

KLayout 0.29.11 bridges the gap between simple layout viewers and expensive commercial EDA tools.
It’s ideal for:

• 🧑‍🔬 Semiconductor researchers and IC engineers

• 🧠 Universities and academic projects

• 💻 Independent chip developers

• 🧩 Anyone working with GDSII/OASIS layouts

With its open-source model and scriptable architecture, KLayout offers maximum flexibility for professional design environments.

🧰 System Requirements

• Operating System: Windows 7, 8, 10, 11 / macOS / Linux

• RAM: 2 GB minimum (8 GB recommended for large layouts)

• License: Free and open-source (GPL)

• Languages Supported: Python, Ruby

🌐 Official Website

🔗 https://www.klayout.de

✔ Tested: This software was tested on Windows 10 & Windows 11 and works smoothly without issues.

Frequently Asked Questions

• Is this software free?
  Yes, it can be downloaded and used for free.
• Does it support Windows 11?
  Yes, it works perfectly on Windows 10 and 11.
• Is it safe to use?
  Yes, the software was scanned and tested before publishing.

Last updated: January 2026