ModHeader

Add and modify the HTTP request headers and response headers. Use ModHeader to: - Add / modify request and response headers - Add / modify cookies - Multi-profile support - Filtering based on URL, tab, or window - Export and share profiles

ModHeader: Modify HTTP Request and Response Headers

ModHeader is a robust Firefox add-on that allows users to add, modify and remove HTTP request and response headers and cookies. It comes with advanced features like multi-profile support, URL redirection, filtering by tab and window, and allows for easy sharing of profiles. This extension supports dark mode and offers the flexibility to customize autocomplete names and values.
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Add-on stats

Manifest V2
By: ModHeader
Daily users: 19,864
Rating: 3.37
(67)
Version: 4.4.1 (Last updated: 2023-09-05)
Creation date: 2018-02-27
Weekly download count: 1,151
Firefox on Android: No
Permissions:
  • alarms
  • contextMenus
  • webRequest
  • storage
  • webRequestBlocking
  • <all_urls>
Size: 394.17K
Full description: See detailed description

Other platforms

ModHeader - Modify HTTP headers (v7.0.7)
800,000 3.15 (1,065)
Not available on Android
ModHeader - Modify HTTP headers (v7.0.7)
844,072 3.20 (139)

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Easy to use
  • Has regex and filtering options
  • Can send custom headers on every request
Cons
  • Issues with functionality in Firefox
  • Has adware and click fraud issues
  • Subscription recently introduced
Most mentioned
  • Adware
  • Paid features
  • Login requirement
  • Functionality issues in Firefox
User reviews
WARNING! THIS IS A MALICIOUS EXTENSION FROM CHINA! https://chromewebstore.google.com/detail/modheader-modify-http-hea/idgpnmonknjnojddfkpgkljpfnnfcklj/reviews
by Misha, 2024-04-07
Unable to use . . . does not work with firefox.
by SVG, 2024-02-04
View all user reviews

Add-on safety

Risk impact

ModHeader requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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  • Low ******* ****** ** *** ********* ******** *************
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of ModHeader. Use it at your own risk.

Risk likelihood analysis details
  • Critical This extension is not longer available in the store
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