Use Stack Trace Parser online for free. No installation, no signup — works directly in your browser.
100% free, no signup required. Works entirely in your browser.
Open Stack Trace ParserPaste a stack trace from any language.
File names and line numbers are extracted.
Click frames to see details.
The parser supports stack traces from all major programming languages including JavaScript/Node.js, Python, Java, C#/.NET, Ruby, Go, PHP, Rust, and Swift. Each language has its own stack trace format, and the parser auto-detects the language to apply the correct parsing rules. This makes it a universal tool for polyglot development teams.
The parser can extract file names and line numbers from minified JavaScript stack traces, but it cannot reverse the minification without source maps. For production debugging, upload your source maps to error tracking services like Sentry. The parsed output still provides the minified file references and positions for manual source map lookup.
Yes, you can copy the formatted and structured output to share with your team via Slack, email, or issue trackers. The parsed output organizes frames into a clean, readable format with file paths, line numbers, and method names clearly separated. This is far more readable than raw stack traces when filing bug reports.
