FlexHeaders - Modify HTTP Headers

Name: FlexHeaders - Modify HTTP Headers
Rating: 5 (1 reviews)
Author: Harrison Deo

A lightweight yet powerful extension to modify HTTP headers on the fly. Unleash the power of FlexHeaders, the ultimate extension for developers and security-conscious users

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Features & Capabilities

FlexHeaders is a lightweight yet powerful Chrome extension designed for developers and security-conscious users who want to modify HTTP headers effortlessly. It empowers you to take full control over your browsing experience by customizing request headers with precision — from tweaking user agents to adding custom headers.

Key features include URL filtering that applies modifications to specific sites, preset import/export for team workflows, and a user-friendly interface requiring no coding skills. As an open-source tool, FlexHeaders invites contributions and transparency. Strengthen your online security, enhance privacy, and shape your web interactions like a pro with FlexHeaders.

User Growth & Download Statistics

Add-on Developer Tools Privacy & Security

By:

Daily users:

Rating:

Version:

1.0.1 Last updated: 2024-10-04

Version code:

5820056

Creation date:

2024-09-25

Risk:

Permissions:

Host permissions:

<all_urls>

Size:

423.51KB

Email:

fl*****@harrisondeo.me.uk

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-15

Compare stats and ranking:

Ranking

# 5,918 ▼ 81

Other rankings

#5 in modheader keyword 35

#6 in modify keyword 37

#18 in header keyword 27

#141 in lead keyword 23

#168 in development keyword 15 ▼ 1

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Other platforms

FlexHeaders - Edit HTTP Headers (v1.4.0)

1,000 4.69

(13)

For Developers

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Harrison Deo

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/flexheaders-alter-http-headers/

Email:

fl*****@harrisondeo.me.uk

Website:

https://www.harrisondeo.me.uk/flex-header

User Reviews

ui设计合理，使用起来简单不复杂

by *****, 2025-01-08

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Is FlexHeaders - Modify HTTP Headers Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

FlexHeaders - Modify HTTP Headers requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

FlexHeaders - Modify HTTP Headers has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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