One tool that can add new http header or change the http header for a http(s) request, You will enjoy itWith this extension (support English, French, German, Chinese, Japanese, Russian, and more) you can:
1) ADD NEW HTTP HEADER on one http(s) request
2) OVERWRITE HTTP HEADER on one http(s) request
3) specify different http header rules to different request urls
4) Easily turn rules on or off