Pretty-print a minified file

This page describes the JavaScript Debugger as it appears before Firefox 52.

See what it looks like from Firefox 52 onwards.

To pretty-print a file that has been minified, open the minified file and click the icon that contains a pair of braces:

The file will now appear in a more readable format.

You can instruct the debugger to detect minified sources and pretty-print them for you automatically, by selecting "Auto Prettify Minified Sources" in the Debugger settings.

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Contributors to this page: wbamberg
Last updated by: wbamberg,