AI Code Explainer
Your API keyExplain code in plain language using your own AI key.
—🔒 We never see or store your API key. It is saved only in this browser (localStorage) and requests go directly from your browser to your AI provider — nothing passes through ToolsHub. Clear it any time with "Remove" above.
About the AI Code Explainer
This free AI code explainer turns an unfamiliar snippet into a clear, step-by-step explanation in plain English, and flags likely bugs. It's bring-your-own-key: you connect your own OpenAI, Groq or compatible API key, so you keep full control of cost and privacy.
Your key is saved only in your browser and requests go straight to your provider.
How to explain code
- Add your API key once; it's stored locally in your browser.
- Paste the code you want explained, in any common language.
- Get a plain-language walkthrough plus potential issues to watch for.
When a code explainer helps
It's most useful for understanding unfamiliar code — a snippet from a library, a regex someone else wrote, or a legacy function with no comments. A plain-English walkthrough turns "what does this even do" into something you can reason about, and flagging likely bugs gives you a head start on review. You bring your own API key, so you control cost and privacy.
Frequently asked questions
What does the code explainer do?
It reads a code snippet and explains what it does step by step in plain language, which is useful for learning, code review or understanding unfamiliar code.
Which languages are supported?
It works with virtually any common programming language, since the underlying model understands many languages and paradigms.
Is my code private?
Your code is sent directly from your browser to your own AI provider using your key. It never passes through our servers, and your key is stored only locally.
Which programming languages does it support?
Virtually any common language — JavaScript, Python, Java, C#, Go, Rust, SQL and more — since the underlying model understands many languages and paradigms.