# HTTP Header Live

> Displays the HTTP header. Edit it and send it.

Canonical page: [https://chrome-stats.com/d/http-header-live](https://chrome-stats.com/d/http-header-live)

## Overview

- **ID:** `http-header-live`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Martin Antrag
- **Category:** web-development,privacy-security,other
- **Daily users:** 6,448
- **Weekly downloads:** 90
- **Rating:** 4.70 / 5 (40 ratings)
- **Version:** 0.6.5.2
- **Last updated:** 2019-08-20
- **First published:** 2017-08-17
- **Size:** 37 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/http-header-live/)
- **Website:** [https://github.com/Nitrama/HTTP-Header-Live](https://github.com/Nitrama/HTTP-Header-Live)

## Description

HTTP Header Live is a Chrome extension designed to display HTTP headers for any web request instantly. Beyond viewing, it allows users to edit these headers and resend the request with modifications, making it useful for developers and testers who need quick header manipulation. Currently under development, the extension welcomes user feedback, bug reports, and feature ideas to improve its functionality. For more details and updates, users can visit the project's GitHub page.

With its lightweight interface and evolving features, HTTP Header Live provides a straightforward tool for managing HTTP headers directly within Chrome. Its open development approach invites collaboration and continuous improvements, ensuring that it will become an even more powerful resource for network debugging tasks.

## Rankings

- #1,008 — Overall
- #99 — Web Development
- #141 — Other extensions
- #213 — Privacy & Security
- #6 — live
- #7 — header

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `webRequest`
- `webRequestBlocking`
- `tabs`
- `downloads`
- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Reviewers generally find the add-on helpful and well made, repeatedly praising its usefulness. The main recurring complaint is lack of good copy functionality (copy-to-clipboard and selection/pointing issues). Several identical promotional/spam messages also appear in the reviews, cluttering feedback and making sentiment harder to assess.

### Pros

- Users repeatedly call the add-on helpful/useful for inspecting HTTP headers.
- Multiple reviewers praise its quality (e.g., “Great job”, “excelente”).
- Positive feedback comes from different users/languages, indicating broad appreciation.

### Cons

- Missing a dedicated "Copy to Clipboard" feature and general poor copy/paste support (mentioned multiple times).
- Text selection/pointing is not intuitive or well supported, which disrupts debugging workflow.
- Multiple identical promotional Chinese messages appear in the reviews (spam), cluttering genuine feedback.

## Similar extensions and apps

- [HTTP Header Hack](https://chrome-stats.com/d/http-header-hack) — 1 users
- [Live HTTP headers](https://chrome-stats.com/d/live-http-headersss) — 128 users, 1.00 / 5
- [Live HTTP headers](https://chrome-stats.com/d/live-http-headersieor) — 1 users
- [MWG Live headers](https://chrome-stats.com/d/mwg-live-headers)
- [Overhead — HTTP Header Editor](https://chrome-stats.com/d/overhead-http-header-editor) — 1 users, 5.00 / 5
- [Modify Header Value](https://chrome-stats.com/d/modify-header-value) — 9,553 users, 3.62 / 5
- [AP HTTP headers](https://chrome-stats.com/d/ap-http-headers)
- [CF Live Headers](https://chrome-stats.com/d/cf-live-headers)
- [Amaze HTTP headers](https://chrome-stats.com/d/amaze-http-headers) — 1 users
- [OpenHeader](https://chrome-stats.com/d/openheader) — 1 users
- [HTTP Header Network Monitoring](https://chrome-stats.com/d/http-header-network-monitoring) — 7 users
- [Header Editor Lite](https://chrome-stats.com/d/header-editor-lite) — 303 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/http-header-live)