Does it symbolicate minified production stacks?

Yes, when you provide the matching Source Map locally. It never fetches a map or source file from a remote URL.

Is stack trace content uploaded?

No. Parsing and classification run locally in the browser.

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Stack Trace Analyzer

Separate app, dependency and runtime frames, then copy a concise issue report.

Local execution receiptinput path disclosedTool content stays out of MonoTools URLs and API requests.

Working input: Browser memory
Cross-tool handoff: Session only · 10 min
URL payload: Never
Export: Explicit action

Verify it: open DevTools Network, clear the log, use the tool, then inspect fetch/XHR requests. Page assets and optional aggregate analytics may use the network; tool input is not included.

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How to use

01Paste a JavaScript, Python or generic stack trace.
02Check the first actionable app frame and frame classification counts.
03Copy the generated issue report for triage or handoff.

FAQ

Does it symbolicate minified production stacks?: Yes, when you provide the matching Source Map locally. It never fetches a map or source file from a remote URL.
Is stack trace content uploaded?: No. Parsing and classification run locally in the browser.

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