HTTP Header Injector

Easily inject custom HTTP headers into your browser requests. Toggle on/off, filter by domain, and manage multiple headers.

Users375

Rating5.0

Reviews2

Manifest versionV3

7-day growth+16

7-day growth rate+4.46%

Preview

HTTP Header Injector Media preview

1 assets

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30-day rating change

Start

5.00

Latest

5.00

30-day rating change

0.00

2026年6月8日2026年6月14日

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1-day growthFlat

00%

7-day growthGrowing

+16+4.46%

30-day growthGrowing

+75+25%

Technical snapshot

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Version1.1.0

ManifestV3

Size78.49KiB

Languages50Deutsch / English / Filipino +47

Published--

Store updated--

Last crawled--

Overview

Product summary

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HTTP Header Injector is a lightweight, NO ADs, privacy-focused browser extension that lets you add, modify, and manage custom HTTP headers on outgoing browser requests. Whether you're a web developer debugging API integrations, a QA engineer testing authentication flows, a security researcher analyzing request behavior, or a power user who needs granular control over HTTP traffic, this extension gives you a clean and intuitive interface to get the job done.

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WHAT IT DOES

Every time your browser sends an HTTP request — loading a webpage, fetching an image, calling an API — it includes a set of headers. These headers carry metadata such as authentication tokens, content types, caching directives, custom flags, and more.

HTTP Header Injector lets you define your own custom headers and inject them into every outgoing request, or selectively target specific domains. You have full control over which headers are sent, where they are sent, and when they are active.

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