HeaderSmith – cod3rjava

Name: HeaderSmith – cod3rjava
Author: cod3rjava

By: cod3rjava

Modify/override request headers in Firefox based on user-defined rules (with optional URL regex filter).

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Install

Features & Capabilities

Use HeaderSmith – cod3rjava to override outgoing request headers directly in Firefox.

Features:

Add multiple header rules (name/value) and enable/disable each rule
Optional URL regex filter to apply rules only to matching URLs
Rules are stored locally in the browser (storage.local)

Privacy:

No data is collected or transmitted off-device.
The add-on only modifies request headers for requests matching your configuration.

Notes: Some headers may be restricted by Firefox and cannot always be modified.

User Growth & Download Statistics

Add-on

By:

cod3rjava

Daily users:

Version:

0.1.3 Last updated: 2026-01-21

Version code:

6124434

Creation date:

2026-01-18

Risk:

Permissions:

Size:

13.61KB

Email:

co*****@gmail.com

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-04

Compare stats and ranking:

Ranking

# 95,580 ▲ 228

Other rankings

#149 in override keyword 11

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:

cod3rjava

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/headersmith-cod3rjava/

Email:

co*****@gmail.com

Is HeaderSmith – cod3rjava 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.

HeaderSmith – cod3rjava 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.
High ****** *** ********* ** ******* *** ******* ******* ** ****** *** *** ******** ******

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.

HeaderSmith – cod3rjava may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.

Risk likelihood analysis details

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