# Headers Spy

> View and search HTTP response headers for any endpoint

Canonical page: [https://chrome-stats.com/d/headers-spy](https://chrome-stats.com/d/headers-spy)

## Overview

- **ID:** `headers-spy`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Helga Focks
- **Daily users:** 6
- **Version:** 1.2.1
- **Last updated:** 2026-04-24
- **First published:** 2026-04-21
- **Size:** 20 KB
- **Data as of:** 2026-05-19
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/headers-spy/)

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension is not longer available in the store

## Similar extensions and apps

- [HTTP Headers Spy](https://chrome-stats.com/d/http-headers-spy) — 32 users
- [Header Spy](https://chrome-stats.com/d/header-spy) — 26 users
- [HeaderScoper](https://chrome-stats.com/d/headerscoper) — 28 users
- [MetaHTTPMask Headers](https://chrome-stats.com/d/metahttpmask-headers) — 15 users
- [HTTP Header Spy](https://chrome-stats.com/d/http-header-spy) — 236 users, 4.80 / 5
- [HTTP Headers Viewer](https://chrome-stats.com/d/http-headers-viewer-iue) — 13 users
- [Headers](https://chrome-stats.com/d/headers-) — 6 users
- [HTTP Headers](https://chrome-stats.com/d/httpheaders) — 6 users
- [Request Spy](https://chrome-stats.com/d/request_spy) — 28 users
- [HTTP Headers](https://chrome-stats.com/d/httpsheaders) — 4 users
- [HTTP Headers Viewer](https://chrome-stats.com/d/httpheadersviewer) — 8 users
- [HTTP Server header Spy](https://chrome-stats.com/d/http-server-header-spy) — 13 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/headers-spy)