Search Results for tag "header"

User-Agent Switcher Compatible with Firefox 57+

Easily override the browser's User-Agent string

Rated 4 out of 5 stars (120)
44,127 users

Modify Header Value (HTTP Headers) Compatible with Firefox 57+

Add, modify or remove a header for any request on desired domains.

Rated 4 out of 5 stars (23)
13,194 users

HTTP Header Live Compatible with Firefox 57+

Displays the HTTP header. Edit it and send it.

Rated 4 out of 5 stars (21)
12,321 users

Referer Control Compatible with Firefox 57+

Control the HTTP Referer on a per-site basis.

Rated 3 out of 5 stars (21)
4,577 users

Cookies and HTTP Headers analyser Compatible with Firefox 57+

This extension analyses, according to OWASP guidelines, the cookies and the headers in the active tab.

Rated 4 out of 5 stars (2)
1,076 users

simple-modify-headers Compatible with Firefox 57+

The extension rewrite the header (request or response) based on a rules table. It 's possible to add, modify or remove header fields for a choosen url pattern. It's possible to import/export the configuration

Rated 5 out of 5 stars (2)
1,045 users

HTTP Header Mangler Compatible with Firefox 57+

HTTP Header Mangler inserts HTTP headers on a per host basis.

Rated 5 out of 5 stars (9)
706 users

Allow CORS: Access-Control-Allow-Origin Compatible with Firefox 57+

Easily add (Access-Control-Allow-Origin: *) rule to the response header.

Rated 2 out of 5 stars (3)
346 users

RandomUA Compatible with Firefox 57+

Changes your User-Agent string to a sensible-looking string which is different for every request. Having a different UA on each request make it a lot easier to evade some tracking schemes.

Supports excluding certain domains, and mobile-like UAs.

Rated 5 out of 5 stars (5)
237 users


A simple way to check the security of the website you're visiting using the SSLLabs and SecurityHeaders sites.

Not yet rated
42 users

Exity Compatible with Firefox 57+

The way to intercept live HTTP requests and responses based upon a URL pattern

Not yet rated
8 users

HeadEdit Compatible with Firefox 57+

Adds a browser toolbar icon that allows setting of global or domain-specific header overrides.

Not yet rated
7 users