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Header Bar


Just enter "Header-Name: Header-Value" and press enter, and the header will be set on all HTTP requests until you remove the header by clicking it. It won't win any beauty contests, but it gets the job done.

Source: https://github.com/mivdnber/headerbar

For a more comprehensive suite of header manipulation tools, I recommend Modify Headers. It's a great tool, but it's somewhat cumbersome if all you want to do is set one header.

Download files:


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