Inject and override HTTP request headers. Simply.
okayish. adds the header to ALL requests. you are not able to specidy url filters or something.
Simple and just works
ShuangYa
https://modheader.com
Paul Hempshall
didierfred
https://tweak-extension.com
Vinay Kaparthi
Glenn Wilson
67726e
https://requestly.com
https://www.laobubu.net
CAMYA
0140454