Apio FPGA for VSCode

Note (November 2025): This extension is not yet available on the Visual Studio Code Marketplace. To install it, download the latest .vsix package from the Releases page and use Extensions → … → Install from VSIX… in VSCode.

This official extension by the Apio team brings Apio’s power directly into VSCode with one-click buttons and a dedicated sidebar panel. Common commands (lint, build, upload) appear on the status bar, while the full command set is organized in a collapsible tree under the Apio tab.

The screen has the following sections:

1. Apio quick command buttons and environment selector.
2. Apio command explorer tab.
3. Apio commands collapsible tree.
4. Apio commands output terminal.

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Background

Apio is a lightweight, open-source, command-line FPGA toolchain for Verilog and SystemVerilog development. It requires no complex toolchains, licenses, or makefiles and works seamlessly on Linux, Windows, and macOS.

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Getting Started

1. Install the Apio FPGA extension
   I the Extension tab of VSCode, search for the Apio FPGA extension and install it.

2. Create an example Apio project
   Select TOOLS → examples → get example and follow the instructions.

3. Build the project
   Use status bar buttons for lint, build, upload, etc.
   Explore the full command list in the APIO sidebar tab.

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Resources

• Apio Documentation – fpgawars.github.io/apio
• Discussions – github.com/FPGAwars/apio/discussions
• Report Issues (Apio or extension) – github.com/FPGAwars/apio/issues
• Source Repository – github.com/FPGAwars/apio/issues

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Happy FPGA hacking!