Doctor Error

Beta

Paste a JavaScript or TypeScript error. Get accurate diagnosis — not guesses.

Deterministic error diagnosis. Ranked causes. Actionable fix paths.

💡 Paste any JavaScript or TypeScript error message. Runtime errors, build failures, React warnings—Doctor Error handles them all.

Diagnosis

No diagnosis yet. Paste an error and press Diagnose.

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Why trust this diagnosis?

  • Deterministic rules. No AI guessing—every diagnosis is based on pattern matching and real-world error signatures.
  • Ranked by confidence. Each cause includes a confidence score so you know which fix to try first.
  • Proven patterns. Fix paths are derived from common solutions and verified debugging strategies.