# Web Filter for Firefox

> Protect Firefox browsing with SPIN Safe Browser’s proven filtering technology. Designed to help block inappropriate websites and deliver a safer online experience.

Canonical page: [https://chrome-stats.com/d/spin-safe-browser-web-filter](https://chrome-stats.com/d/spin-safe-browser-web-filter)

## Overview

- **ID:** `spin-safe-browser-web-filter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** National Education Technologies Inc.
- **Category:** privacy-security,search-tools,social-communication
- **Daily users:** 262
- **Weekly downloads:** 37
- **Rating:** 3.62 / 5 (21 ratings)
- **Version:** 2.0
- **Last updated:** 2026-01-20
- **First published:** 2019-02-15
- **Size:** 218 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/spin-safe-browser-web-filter/)
- **Website:** [https://spinsafebrowser.com](https://spinsafebrowser.com/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/spin-safe-browser-web-filter/privacy/](https://addons.mozilla.org/firefox/addon/spin-safe-browser-web-filter/privacy/)

## Description

Block adult content and enforce SafeSearch in Firefox with SPIN Safe Browser’s Web Filter. This extension delivers instant protection for families, schools, and organizations by blocking porn and other inappropriate sites while enforcing SafeSearch across major search engines, even in Incognito Mode.

Upgrade to SPIN Safe Browser Premium for advanced controls, including unlimited allow and block lists, an allow-only mode, custom content categories, and passcode protection. Designed for parents, educators, workplaces, and individuals seeking reliable, cross‑platform web safety across desktop Firefox and SPIN Safe Browser mobile apps.

## Rankings

- #7,173 — Overall
- #41 — deliver
- #87 — firefox
- #132 — film
- #163 — safe
- #175 — foe

## Permissions and access

### Permissions

- `storage`
- `webNavigation`
- `declarativeNetRequest`

### Host permissions

- `*://*/`

### Content script matches

- `extensionpay.com`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate 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).

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Source: [Chrome-Stats](https://chrome-stats.com/d/spin-safe-browser-web-filter)