CodeReader

Render raw code into a clean, readable format. Use tools like Auto-Copy & Auto-Highlight to speed up your workflow, and ask AI questions about any code snippet directly in the side panel.

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Auto Highlight Auto Copy Auto Copy & Switch to AI AI Sidebar

Feature Guide

⚠️ These features are only active after clicking Render View (Output Mode).

Auto Copy: Instantly copies raw selected text to clipboard.
Auto Highlight: Highlights selections in yellow (Reader View only).
Auto Copy & Switch to AI: Formats text via template, copies it, and opens the AI Agent automatically.

Tip: Edit the Query Template in the AI Sidebar to customize formatting.

Source Code

Why use this online Code Reader?

CodeReader is the fastest way to view and format code online. Whether you're reviewing a JSON file, checking a Python script, or reading minified JavaScript, our tool provides instant syntax highlighting and readability enhancements without the need to install heavy IDEs.

Key Features

🚀 Instant Highlighting Supports over 180 languages including JavaScript, Python, C++, Java, JSON, HTML, and CSS.
🔒 Secure & Private All processing is done client-side in your browser. Your code is never sent to any server.
🤖 AI Powered Integrated AI sidebar allows you to ask questions about your code immediately using Gemini, ChatGPT, or Grok.

Frequently Asked Questions

Is this tool free?

Yes, CodeReader is completely free to use for all developers.

Supported Syntax Highlighting

We use Highlight.js to support virtually all programming languages, including TypeScript, Go, Rust, PHP, Ruby, and many more.

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