Are your developing a web application or e-commerce website? Then these debug tools will help you in rectifying errors while building an e-commerce website on platforms such as Magento.
1. X-Debug
X-Debug is an Extension for PHP which can be utilized to make the application in proper format with bug-free development. Magento has vast and high-level modular structure so using X-debug you can easily debug your code and save your time. Xdebug's basic functions include the display of stack traces on error conditions, maximum nesting level protection, and time tracking.
2. N98 Magerun
The tool provides a huge set of well-tested command line commands which save hours of work time. This tool is automatically tested for multiple PHP variants (5.3, 5.4, 5.5). It can be utilized with different Linux distributions and Max OS, Microsoft Windows is not yet totally supported some commands which are only executed with Linux and Mac are not available with Windows platform like: dump, install, etc. Also this tool is partially works with Magento 2 branches.
3. AOE TEMPLATE HINTS
Aoe Template Hints is a simple extension that overrides default Magento template path hints. Sometime you will face hindrances utilizing default Magento path hints, its breaking the page by throwing blocks while hints squeezing in. Aoe Template Path hints show popups to show if you hover any block which is cool compare to native Magento Solution for path hints.
4. AOE PROFILER
AOE Magento profiler is free to use and provides nested tree-like structure that has capabilities of expanding and collapse the nested section and blocks and most of that its filtering results by load time.