# Fetch Response Modifier

> Modifies the response from fetch requests to specific URLs.

Canonical page: [https://chrome-stats.com/d/fetch-response-modifier](https://chrome-stats.com/d/fetch-response-modifier)

## Overview

- **ID:** `fetch-response-modifier`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** my personnel extension
- **Category:** web-development
- **Daily users:** 1
- **Version:** 2.1
- **Last updated:** 2025-08-07
- **First published:** 2025-07-21
- **Size:** 19 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/fetch-response-modifier/)

## Rankings

- #111,325 — Overall
- #195 — response

## Permissions and access

### Permissions

- `webRequest`
- `webRequestBlocking`
- `https://www.duolingo.com/*`

### Content script matches

- `www.duolingo.com`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows the extension to observe and analyze traffic in flight for the selected hosts.
- 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).

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