Compare Chrome extensions: ModHeader - Modify HTTP headers vs HTTP Header Spy

The most popular Chrome extension to modify headers and monitor page statistics simultaneously.

** What can ModHeader do?**

• Add, modify, and remove request and response headers
• Use ModHeader to set X-Forwarded-For, Authorization, Access-Control-Allow-Origin, Content-Security-Policy, and your custom headers!
• Modify cookies in request / response header
• Advanced Content-Security-Policy editor
• Redirect URL to another
• Enable header modification by URLs
• Advanced filtering by tab, tab group, or window

** Why ModHeader **

• ModHeader is fast, efficient, and light-weight. You can quickly enable/disable header modification with just 1-2 clicks.
• ModHeader provides you with many convenient features that will help you increase your development velocity with the least amount of frictions. Check out the big list the features below!
• ModHeader is free to use, with a paid option to unlock even more features.