What is Explain My Error?

Explain My Error is a free AI-powered tool that instantly explains programming error messages. Paste any error from JavaScript, Python, Java, Go, Rust, or TypeScript and get a clear explanation of what went wrong, why it happened, and how to fix it.

How do I fix 'TypeError: Cannot read properties of undefined'?

This JavaScript error occurs when you try to access a property on an undefined variable. Fix it by adding optional chaining (obj?.prop), a null check (if (obj !== undefined)), or ensuring the variable is initialized before use.

How do I fix 'ModuleNotFoundError: No module named' in Python?

This Python error means the specified package is not installed in your current environment. Fix it by running pip install , checking your virtual environment is activated, or verifying the module name spelling.

Is Explain My Error free to use?

Yes. You get 10 free error explanations per day with no signup required. Pro plans start at $6/month for unlimited explanations, priority processing, and error history.

What programming languages are supported?

Explain My Error supports JavaScript, TypeScript, Python, Java, Go, and Rust. It can also analyze error messages from other languages and frameworks.

About Explain My Error

Explain My Error is a free AI-powered tool that helps developers understand and fix error messages instantly. Built for developers of all levels — from students encountering their first TypeError to senior engineers debugging obscure runtime panics.

How It Works

Paste any error message into our tool, and our AI analyzes it to provide: a plain-English explanation of what went wrong, the root cause, and a ready-to-use code fix. We support JavaScript, TypeScript, Python, Java, Go, and Rust.

Why We Built This

Every developer has spent hours Googling cryptic error messages, scrolling through Stack Overflow threads, and piecing together answers from outdated blog posts. We believe understanding an error should take seconds, not hours.

Privacy

Your error messages are processed in real-time and never stored. We don't collect your code, your data, or your identity. No signup required.