# Resource Override

> An extension to help you gain full control of any website by redirecting traffic, replacing, editing, or inserting new content.

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

## Overview

- **ID:** `resourceoverride`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Kyle Paulsen
- **Category:** web-development
- **Daily users:** 1,844
- **Weekly downloads:** 77
- **Rating:** 4.60 / 5 (20 ratings)
- **Version:** 1.3.2
- **Last updated:** 2021-07-14
- **First published:** 2020-02-04
- **Size:** 442 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/resourceoverride/)
- **Website:** [https://github.com/kylepaulsen/ResourceOverride/issues](https://github.com/kylepaulsen/ResourceOverride/issues)

## Description

Resource Override is a powerful Chrome extension designed to give you complete control over any website you visit. With this tool, you can redirect network requests on the fly, replace or inject new content such as JavaScript and CSS files, and edit text documents directly within the extension. This makes debugging and customizing production websites easier than ever.

Newly added features include the ability to modify request and response headers with handy presets like enabling CORS, allowing iframes, and more. Whether you're looking to replace minified code with a readable version or insert custom scripts, Resource Override simplifies web development and testing by putting all these capabilities at your fingertips.

## Rankings

- #2,282 — Overall
- #248 — Web Development
- #1 — resource
- #4 — override
- #6 — source code
- #7 — overdrive

## Permissions and access

### Permissions

- `webRequest`
- `webRequestBlocking`
- `<all_urls>`
- `tabs`

### Content script matches

- `*`

## Safety

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

### Analysis details

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

Resource Override is praised for its powerful yet simple functionality, allowing users to inject custom JS and CSS into websites easily. Its "Inject File" feature is particularly appreciated. However, a common drawback noted is the absence of a dark mode, resulting in a bright, white interface that can be uncomfortable for some users.

### Pros

- Allows injecting custom JavaScript and CSS resources into websites.
- Easy to use with powerful features like "Inject File".
- Helps enhance website experience by enabling custom scripts/styles.

### Cons

- Lacks a dark mode, defaulting to a bright white interface which can be harsh on eyes.

## Similar extensions and apps

- [Live Resource Override](https://chrome-stats.com/d/live-resource-override) — 23 users
- [Header Override](https://chrome-stats.com/d/header-override) — 38 users
- [Redirector](https://chrome-stats.com/d/my-redirector) — 11 users, 3.00 / 5
- [307 Redirect Pro](https://chrome-stats.com/d/307-redirect-pro) — 1 users
- [Header Override](https://chrome-stats.com/d/headeroverride) — 7 users
- [Overhead — HTTP Header Editor](https://chrome-stats.com/d/overhead-http-header-editor) — 1 users, 5.00 / 5
- [CORS Unbound](https://chrome-stats.com/d/cors-unbound) — 20 users
- [Cookie Override](https://chrome-stats.com/d/cookie-override) — 4 users
- [FlexHeaders - Modify HTTP Headers](https://chrome-stats.com/d/flexheaders-alter-http-headers) — 434 users, 5.00 / 5
- [CORS Unblock](https://chrome-stats.com/d/cors-unblock) — 6,345 users, 3.74 / 5
- [Request Control](https://chrome-stats.com/d/requestcontrol) — 706 users, 4.72 / 5
- [Fire Page Editing](https://chrome-stats.com/d/fire-agilitypage) — 29 users, 1.00 / 5

---

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