This extension gives access to the debug-version of the sharepoint javascript source files.
View current page sources: HTML + Javascript + CSS
Get convenient dev and debug features for your JavaScript code
SP Insider (SPI) for Chrome is a free SharePoint Discovery tool for Developers and supports SharePoint Online/Office 365, 2016 and…
SharePoint CSR Live Edit
Tools for SharePoint administrators and developers.
Explore SharePoint sites with this super fast SharePoint navigation plugin, supports on-premise 2013/10/07 and Office 365 versions
Test press, release and character events for JavaScript and PPAPI.
A tool to identify page performance problems in SharePoint Online
Exploring SharePoint REST API.
Changes debug parameter in the current URL according to Odoo debug modes.