ModHeader

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

What is ModHeader?
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.
Merlin
Stats
By: ModHeader
Rating: 3.37 (67)
Version: 4.4.1 (Last updated: 2023-09-05)
Creation date: 2018-02-27
Weekly download count: 1,171
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
Permissions:
  • alarms
  • contextMenus
  • webRequest
  • storage
  • webRequestBlocking
  • <all_urls>
Size: 394.17K
Stats date:

Other platforms

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3.20 (120) 1,088,541
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Merlin
Summary

Add and modify the HTTP request headers and response headers.

What can ModHeader do?

  • Add, modify, and remove request and response headers
  • Use ModHeader to set X-Forwarded-For, Authorization, Access-Control-Allow-Origin, etc.)
  • Modify cookies in request / response header
  • Redirect URL with another
  • Enable header modification by URLs
  • Advanced filtering by tab, tab group, or window
ModHeader features
  • Add comments to header
  • One-click "undo" if you made a mistake
  • Multiple profile support
  • Quick switch between profiles
  • Export and import profile
  • Easily share your profiles with others
  • Customize autocomplete names and values
  • Dark mode support
  • Sorting headers and name, value, or comments
  • Append value to existing request or response header
  • Customizable profile badge
  • Clone profile
  • Cloud backup
  • ...and more!
User reviews
User reviews summary
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
Recent 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
Safety
Risk impact

ModHeader is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install ModHeader if you trust the publisher.

Risk likelihood

ModHeader is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Upgrade to see risk analysis details
Screenshots