Firefox add-on with keyword - header
Keyword difficulty: 46
Keywords are the words and phrases that users enter into Firefox Browser Add-ons to search to discover a Firefox add-on. High ranking keywords will generate higher impressions. Paid members can use our add keyword form to add more keywords to be tracked.
250 results. Page 1 of 10.

#1 Dark Reader

Dark Reader Ltd
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,215,951+

#2 EPUBReader

epubreader
Read ePub files right in Firefox. No additional software needed!
127,442+

#3 Read Aloud: A Text to Speech Voice Reader

LSD Software
Read out loud the current web-page article with one click. Supports 40+ languages.
180,484+

#5 Tranquility Reader

arunk
Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff.
44,884+

#6 Header Editor

泷涯
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
11,589+

#7 HTTP Header Live

Martin Antrag
Displays the HTTP header. Edit it and send it.
8,714+

#8 Modify Header Value

Milen
Add, modify or remove a header for any request on desired domains.
10,849+

#9 X-Forwarded-For Header

Philip Lawrence
This extension allows you quickly to set the X-Forwarded-For HTTP Header
5,339+

#10 Tab Reloader (page auto refresh)

James Fray
An easy-to-use tab reloader with custom reloading time settings for individual tabs
77,312+

#11 Easy Youtube Video Downloader Express

Dishita
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
465,651+

#12 Video DownloadHelper

Paul
Download videos from the web. Easy, smart, no tracking.
1,809,174+

#13 Ignore X-Frame-Options Header

ThomazPom
Allows all sites to be loaded in iframes, despite X-Frame-Options header settings.
8,712+

#14 HTTP Header Spy

Michiel Roos
HTTP Header Spy enables you to inspect request- response headers and cookies right after page load with no extra clicks.
275

#15 simple-modify-headers

Didierfred
The extension rewrite the header (request or response) based on a rules table. It 's possible to add, modify or remove header fields for a choosen url pattern. It's possible to import/export the configuration
4,578+
#16 header
webde-signer
undefined
1

#17 HTTP Header Mangler

Peter Nilsson
HTTP Header Mangler inserts HTTP headers on a per host basis.
161

#18 AddHeader

Firefox user 13564830
add header
This add-on would add custom header to HTTP requests. We can add headers to all requests or specific request for certain sites.
77

#19 Live HTTP headers

seo master sarang shaikh
Displays the live log with the http requests headers
134

#20 Headers

Kuba Zygmunt
Take control of your web requests with the Headers extension for Firefox! This powerful tool allows you to effortlessly add, modify, or remove HTTP headers for any website you visit, giving you enhanced privacy, security, and customization options.
261

#21 Remove X-Frame-Options Header

Callaghan
Removes the X-Frame-Options header from all responses.
90

#22 HeaderTools - Inject and Edit Request Headers

Darren Anderson
HeaderTools is a versatile and user-friendly extension designed to provide users the capability to manipulate and inject request headers based on regex domain selectors.
78

#23 Modify Headers DNR

Brawl
Modify request and response headers through the DeclarativeNetRequest API
78

#24 Show-HTTP-Headers

Warren Bank
Show HTTP headers in each tab.
64

#25 Open in PDF Reader

Andy Portmen
Adds a context menu item to send PDF links directly to a PDF viewer like Adobe Acrobat Reader
27,617+
250 results. Page 1 of 10.