Who should use ReqHeader?

ReqHeader is a consumer product built for firefox users and web developers.

Does ReqHeader have a free plan?

Yes — ReqHeader is free to use.

Is ReqHeader still maintained?

Unverified. ReqHeader has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Who develops ReqHeader?

ReqHeader is developed by Team Technik.

When did ReqHeader launch?

ReqHeader first shipped in 2026.

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ReqHeader

Name: ReqHeader
Author: Team Technik

mozilla.orgBrowser DevTools & extensions

ReqHeader is a Firefox browser extension that applies custom HTTP request headers to configured target domains. It is intended for web developers and Firefox users who need to modify request headers while browsing or testing websites.

FreeWebEmbeddablemacOSWindowsLinux

Visit mozilla.org

Overview

6 features

ReqHeader is a Browser DevTools & extensions project. It focuses on setting custom HTTP request headers for specific websites without manually configuring browser tools. It is built as a consumer product for firefox users and web developers. ReqHeader costs nothing to use. It runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Team Technik builds and maintains ReqHeader, and it first shipped in 2026. Among its 6 catalogued features are Custom HTTP headers, domain targeting, and request blocking permission. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Custom HTTP headers
Domain targeting
Request blocking permission
No data collection
Header configuration
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddablemacOSWindowsLinux

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed30 Aug · 20:12 UTC
ReqHeader verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about ReqHeader

What does ReqHeader do?: ReqHeader focuses on setting custom HTTP request headers for specific websites without manually configuring browser tools. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use ReqHeader?: ReqHeader is a consumer product built for firefox users and web developers.
Does ReqHeader have a free plan?: Yes — ReqHeader is free to use.
What platforms does ReqHeader run on?: ReqHeader runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is ReqHeader still maintained?: Unverified. ReqHeader has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who develops ReqHeader?: ReqHeader is developed by Team Technik.
When did ReqHeader launch?: ReqHeader first shipped in 2026.
What languages does ReqHeader support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
First seen: 30 Aug 2026
Built for: Firefox users and web developers
Model: B2C
Solves: Setting custom HTTP request headers for specific websites without manually configuring browser tools.

Registered as

Firefox Add-ons: reqheader

Developer

Team Technik

Index record

Indexed: 30 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 30 Aug 2026

Identity audit (13)

Slug: reqheader-mozilla-org
Lifecycle last checked: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 30 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 30 Aug 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/reqheader

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