Codexplain

Codexplain is an AI-powered extension for Visual Studio Code that helps developers understand, analyze, and debug code directly inside the editor using a local AI model.

It allows developers to quickly generate explanations, comments, file summaries, and error analysis without leaving the editor.

Demo

Demo

Features

Explain Code

Select any portion of code and get a structured explanation including:

• Summary
• Time complexity
• Detailed explanation
• Code walkthrough

Generate Comments

Automatically generate meaningful comments for selected code to improve readability and documentation.

Analyze Entire File

Analyze the complete file to understand:

• Overall purpose
• Functions and components
• Code structure
• Execution flow

Explain Errors

Understand coding errors directly inside VS Code. Codexplain explains:

• What the error means
• Why it happened
• How to fix it
• A corrected example

Coding Statistics

Track your coding usage such as:

• Number of explanations used
• Comments generated
• Files analyzed

Keyboard Shortcuts

Feature| Shortcut Explain Selected Code| Ctrl + Shift + E Generate Comments| Ctrl + Shift + C Show Coding Stats| Ctrl + Shift + S Analyze Entire File| Ctrl + Shift + A Explain Error| Ctrl + Shift + X

How To Use

Method 1 — Right Click Menu

1. Open any code file
2. Select code (for explanation or comments)
3. Right click inside editor
4. Choose a Codexplain feature

Available commands:

• Codexplain: Explain Code
• Codexplain: Generate Comments
• Codexplain: Analyze Entire File
• Codexplain: Explain Error
• Codexplain: Show Coding Stats

Method 2 — Keyboard Shortcuts

Use the keyboard shortcuts listed above for faster workflow.

Requirements

Codexplain runs using a local AI model, so you must install Ollama.

Install Ollama from: https://ollama.com

After installing, run a model such as:

ollama run qwen2:1.5b

This model will power the AI responses inside the extension.

Extension Settings

No additional configuration is required.

Known Issues

Large files may take longer to process depending on system performance and AI model speed.

Author

Created by Chandana N.

License

This project is licensed under the MIT License.