BlackBox Debug Bar

BlackBox is a plugin for plugin and theme developers. It collects and displays useful debug information (errors, executed queries, globals, profiler)

Author:Grzegorz Winiarski (profile at
WordPress version required:3.0.0
WordPress version tested:3.5.1
Plugin version:0.1.3
Added to WordPress repository:02-02-2011
Last updated:04-03-2013
Warning! This plugin has not been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.
Rating, %:92
Rated by:15
Plugin URI:
Total downloads:17 932
Active installs:100+
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BlackBox is symfony like unobstrusive debug bar attached to the top of the browser window.

How can it help you with development: 1. instantly inspect global variables (GET, POST, COOKIE, SERVER) 2. debug both frontend and admin area 3. executed MySQL queries and time it took to execute each query (useful for finding slow queries) 4. profiler for measuring performance of your plugins and themes 5. errors occurred when loading WordPress page