Chrome extension to modify headers
Software Testing Tools & Resources
Largest collection of Resources and Tools for Software Testing Community

ModHeader

Classic Cache Killer
Chche Management

Conftest
A utility to help you write tests against structured configuration data
Selenium WebDriver
Browser driver API
Lighthouse
Scanning tool that audits SEO, performance and other web best practices

Advanced RestClient Extension
API Testing Add-on

Postman
API Testing Tool
Pa11y
Range of free and open source tools to help designers and developers make their web pages more accessible.
Contrast Checker
Checks contrast for WCAG compliance