Is collecting user information functionally necessary to operate? You are a really sketchy developer. There's tons of http header editors, look elsewhere.

Has paid Content.

Subscription recently introduced, not too fond of that - even though most features users are interested in are still free.

Still a great add-on.

Will see where we go from here I guess.

This add-on is suddenly requiring login in order to lock to a tab and a paid plan for some features.

Edit: changing to 4 stars - the "LOGIN' button replaced the "Lock tab" button, and I wasn't aware of the "URL Filter" feature. Thanks for the quick response.

Can't import profiles

You want to send custom headers on every request. This is the way

I needed to use it only for a short time. Did what it promised.

ok, would give 5 star because is the best around but,

- High appreciate the use of Regex and the filtering,
- configuration panel is slow it should use an entire page and remain open instead to have that little window
- json export is precious to save your configurations

It is very easy to use in Chrome. But in Firefox, sometimes it doesn't work after changing headers. I think it's a bug.

The more you dig into its options, the more you reliaze it's exactly what you were looking for.

caused high cell phone bills. my mobile data tariff was exhausted. after some research, i found out that this addon converts the user's browser into a proxy for advertising fraud without asking. i can never trust this addon again.