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Burp Beautifier

BurpBeautifier is a Burpsuite extension for beautifying request/response body, supporting JS, JSON, HTML, XML format, writing in Jython 2.7.


  • Supporting Format

    • JS: use jsbeautify module
    • JSON: use jsbeautify module
    • HTML: use beautifulsoup4 module, and jsbeautify module for js code in HTML
    • XML: use xml module
  • Writing in Jython, modify source code conveniently. eg: Modify the beautify function to change how to beautify.
  • Beautify and replace response body.
  • Option setting persistence.
  • Send Request/Response body to Beautifier Panel


  • It may modify data, such as: beautifying xml will add the <?xml version="1.0" encoding="UTF-8"?> header, beautifying html will repair html tag.
  • Assuming the request/response body is utf-8, so if the body is not utf8 encoding or compatible with utf8, it may not work well.
  • Not considering gzip/deflate compress/decompress, so need the Proxy->Options->Miscellaneous->Unpack gzip/deflate in response is enabled (ON by default)


  • Jython is slow. So It will not beautify if size excess dataMaxSize(default is 680KB)
Author Ovi3
Version 1.1
Last updated 16 December 2019

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Please note that extensions are written by third party users of Burp, and PortSwigger Web Security makes no warranty about their quality or usefulness for any particular purpose.

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