# Hoppscotch Extension for Firefox

> Removes CORS restrictions for cross-origin requests, particularly those to localhost. It essentially allows Hoppscotch to make requests that might otherwise be blocked by the browser's security policies.

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

## Overview

- **ID:** `hoppscotch`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Hoppscotch
- **Category:** web-development
- **Daily users:** 3,447
- **Weekly downloads:** 85
- **Rating:** 4.78 / 5 (18 ratings)
- **Version:** 0.37
- **Last updated:** 2024-11-26
- **First published:** 2020-01-16
- **Size:** 467 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/hoppscotch/)
- **Website:** [https://github.com/hoppscotch/hoppscotch-extension](https://github.com/hoppscotch/hoppscotch-extension)

## Description

The Hoppscotch Extension for Firefox significantly improves your experience with the Hoppscotch web app, a quick and open-source API request builder. This extension enables users to bypass CORS restrictions, facilitating smoother and unrestricted cross-origin requests directly from your browser. Designed to streamline API testing and development workflows, it is an essential tool for developers seeking efficient and hassle-free API interactions.

Beyond enhanced functionality, Hoppscotch thrives on community collaboration. Developers are encouraged to contribute to both the Hoppscotch project and this extension on GitHub. Support and sponsorship opportunities are also available to help foster ongoing development and innovation. Discover the full potential of your API testing by integrating the Hoppscotch Extension for Firefox today, and join a vibrant community focused on improving developer tools.

## Rankings

- #1,512 — Overall
- #160 — Web Development
- #31 — policy
- #57 — extension
- #68 — firefox
- #72 — foe

## Permissions and access

### Permissions

- `storage`
- `tabs`
- `cookies`
- `scripting`

### Host permissions

- `<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

### Pros

- Allows requests to localhost, perfect!
- This extension and the website saves my day.
- Definitely recommend

### Cons

- Breaks XML preview

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