期待已久的更新（0.1.8），但是“选项页面”没有半点更新。
The long-awaited update（0.1.8）, but the “Options Page” has not been updated in the slightest.

①与Edge版本相比，Firefox版本的选项页面看起来不那么整洁。
①The options page of the Firefox version looks less neat compared to the Edge version.

②无法快速全选TextBox内容。
由于上述原因....修改URL&Header Value数值过于困扰。

②Unable to quickly select all TextBox contents.
For the above reasons....It is too troublesome to modify the URL&Header Value value.
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挺棒的插件，唯一的缺点：Chrome版4月份已更新0.1.8。
Great plugin, only downside: Chrome version has been updated to 0.1.8 in April。

Need to spoof a referer for something, and out of the six extensions I've tried this is the only one that works properly/at all.

Taking one star off for user-unfriendliness; rules can't be modified after set, they have to be scrapped and redone.

It actually cannot modify the User-Agent header, if "Modify" selected. Had to click "Add" instead.

Works well, but minus 1-star for the lack of ability to edit a rule or even copy/paste the existing fields.

Would be great if there was an option to export and import headers so we can sync them between different Firefox installs.