Quickly decode minified stacktraces by applying source maps online. Paste a stacktrace or a URL to reveal the original code location for easier debugging.
Reveal original code from minified stacktraces instantly
Source Mapper is a handy online tool that helps you translate minified stacktraces back to their original source code locations. If you have a stacktrace from a production error, simply paste it in or provide a URL with line and column numbers, and the tool will look up and display the original code reference for you.
This makes debugging JavaScript errors much easier, especially when dealing with minified or bundled code. Whether you're a developer tracking down a tricky bug or just want to understand where an error occurred, Source Mapper streamlines the process and saves you time.
You don't need to set up anything complicated—it's all done in your browser. It's a great resource for anyone working with source maps and modern web development workflows.
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