Netmirror Extension

Add, modify or remove a header for any request. https://netmirr.net/ Netmirror Mod Header (HTTP Headers) is an extension that can…

Users100K

Rating3.7

Reviews17

Manifest versionV3

7-day growth0

7-day growth rate0%

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Trend

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User Growth Over Time

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30-day rating change

Start

3.63

Latest

3.71

30-day rating change

+0.08

2026年5月29日2026年6月4日

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1-day growthFlat

00%

7-day growthFlat

00%

30-day growthGrowing

+20K+25%

Technical snapshot

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Version3.20.5

ManifestV3

Size25.7KiB

Languages1English (United States)

Published--

Store updated--

Last crawled--

Overview

Product summary

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Add, modify or remove a header for any request.

https://netmirr.net/

Netmirror Mod Header (HTTP Headers) is an extension that can add, modify or remove an HTTP-request-header for all requests on a website or URL. This Addon is very useful if you are an App developer, website designer, or if you want to test a particular header for a request on a website.

Reviews

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The Chrome Web Store shows 17 reviews, but only 0 review bodies have synced into ExtScope so far. Showing the synced reviews available right now.

5★

4★

3★

2★

1★

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AI product read

HTTP request header modifier — allows users to add, modify, or remove custom HTTP headers for all outgoing requests on any website

Developers and testers need to modify HTTP request headers (e.g., Referer, User-Agent, custom headers) to test APIs, debug CORS issues, or simulate different client conditions without modifying application code

User clicks the extension icon → popup opens showing a form → user adds header name/value pairs → clicks 'Save Headers' → headers are applied via declarativeNetRequest API to all matching requests. User can pause/resume the extension via a toggle button. Additionally, the background script applies a default Referer header rule on install/startup for a specific URL filter.

Target users: Web developers / API developers / QA testers / Website designers / Users testing specific HTTP header behavior

The extension contains a suspicious hardcoded rule in background.js that sets the Referer header to 'https://fmoviesunblocked.net/' for URLs matching 'hakunaymatata' — this may be affiliate injection but is outside the scope of login/paid analysis
The website netmirr.net may have its own account or subscription model, but the extension itself does not require or interact with it
content.js's NETMIRROR_CHECK mechanism suggests integration with a companion website, but no login or payment is involved from the extension side

Monetization

No paid features detected

No payment UI, subscription checks, license validation, premium tier logic, Stripe/billing API calls, or upgrade prompts exist anywhere in the source code. The extension's entire feature set (add/modify/remove HTTP headers, pause/resume) is fully accessible without any payment gate. The 'pro' keyword hit in verified_contents.json is a false positive from metadata hashing.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension stores all header configurations locally via chrome.storage.sync. No login UI, account creation, authentication flow, or token management exists in any source file. The popup UI operates entirely offline with local storage. The content.js only listens for a NETMIRROR_CHECK window message to signal the extension is installed — this is a detection mechanism, not an auth flow.

Permission risk

High-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

敏感权限：declarativeNetRequestWithHostAccess
扩展能力较强：storage
主机权限覆盖范围较宽

Publisher

netmirror.art

Independent publisher

Email: [email protected]
Phone: --
Address: --

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Permissions

Host access