Omnibug Alternatives

Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

Get started with Google Chrome's built-in web developer tools.

Code Cola is a chrome extension to editor online pages' style visibility.

Fiddler is a debugging program for websites.

Displays the HTTP header. Edit it and send it.

The goal of this project is to adds information about the HTTP headers in three ways:

HttpWatch: The ultimate HTTP Sniffer for Chrome, IE and iOS

Analytics Inspector provides an easy way to validate web analytics and marketing integration, as well as offers a great way to quickly validate the instrumentation via the unique and simplified user interface.

free

SplineTech JavaScript Debugger. Debug JavaScript.

DataTrue, LLC offers a full range of merchants tools to verify identity and banking information and to check background and credit card information.

Tag Inspector is a marketing tag auditing and alerting tool that empowers its clients to report on web analytics tags.

Easy debugging for mobile web. Remote web inspector with zero configuration.

Monitor, test and validate the accuracy of your web tags, critical user paths and more with ObservePoint's automated Data Quality Assurance solution.