# SafeSearch Lock

> Extension for locking safesearch feature on popular search engines, including Google, Bing and DuckDuckGo

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

## Overview

- **ID:** `safesearch-lock`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Alif Putra Winata
- **Category:** privacy-security,search-tools
- **Daily users:** 1
- **Version:** 1.0.0
- **Last updated:** 2026-09-06
- **First published:** 2026-09-03
- **Size:** 59 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/safesearch-lock/)
- **Website:** [https://github.com/arfshl/safesearch-lock/issues](https://github.com/arfshl/safesearch-lock/issues)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/safesearch-lock/privacy/](https://addons.mozilla.org/firefox/addon/safesearch-lock/privacy/)

## Description

Supported Search Engines
- Google
- Bing
- Brave Search
- Startpage
- DuckDuckGo
- Yahoo
- Qwant
- Pixabay
- Yandex

Installation
1. Firefox - <a href="https://addons.mozilla.org/addon/safesearch-lock/" rel="nofollow">Mozilla Add-ons</a>
2. Microsoft Edge - <a rel="nofollow">Microsoft Edge Addons</a>
3. Opera - <a rel="nofollow">Opera add-ons</a>
4. Other Chromium-based browsers (Chrome, Brave, Vivaldi, Arc, etc..) - <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/40a3dcc7ef7789474721dd0148289fb71ad39302ab510a2d07db752d151c7cf2/https%3A//github.com/arfshl/safesearch-lock/releases/latest" rel="nofollow">Download from releases</a>, enable "Developer Mode" options, and install from "Load Unpacked" options

How to use this extension?

Just install the extension, or deploy it if you are an administrator. The extension will take effect once you installed it

<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/c2250d99481a845f2f2ba90ff7243e438b533152bff7a5c722a40645f9a40e3e/https%3A//chromeenterprise.google/policies/extension-install-forcelist/" rel="nofollow">How to Deploy extension on Chrome</a>

<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/25e8c52ab34e0f80e2d3cbd326bd43cce9f89118537b7c4354f26b0da0486b29/https%3A//support.mozilla.org/en-US/kb/deploying-firefox-with-extensions" rel="nofollow">How to Deploy extension on Firefox</a>

How this extension work?
This extension uses <code>declarativeNetRequest</code> API and its slatic rules to intercept the search queries and adds those URL paramaters (for example safe=strict on <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/f4f8128fbd77e854dc396c27ed5c3f2cee9b4316f71f90018cbdfef019b90403/http%3A//www.google.com" rel="nofollow">www.google.com</a>) or redirects the search queries to the search engine's safe search domains (for example <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/6e2565eae9db2aa3e67664fd185d17d14210474846bb1c310cff5e45e5778473/http%3A//safe.duckduckgo.com" rel="nofollow">safe.duckduckgo.com</a> on <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/a918ef60e3cb44bf75f5ab030eaf8b7295f52606b2dd54496067696987c13741/http%3A//duckduckgo.com" rel="nofollow">duckduckgo.com</a>) to enforce the safe search feature.

Privacy Policy
This extension doesn't use any external services to operate, all functionality are running locally inside your browser, no data is sent or collected by me as developer.

In order to operate, this extension need access to:
<ol><li>"Block content on any page" - <code>declarativeNetRequest</code> API: For adding URL paramaters and/or redirecting the search queries to the safesearch domains to enforce the safesearch feature.</li></ol>
License
<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/1d91595fc12e03cff6aa7a4149c8530254add8fb19ee1b27abe3c2bd338c246d/https%3A//github.com/arfshl/safesearch-lock/blob/main/LICENSE" rel="nofollow">GPLv3</a>

## Rankings

- #109,662 — Overall
- #211 — safe

## Permissions and access

### Permissions

- `declarativeNetRequest`

### Host permissions

- `*://www.google.com/*`
- `*://www.bing.com/*`
- `*://edgeservices.bing.com/*`
- `*://search.yahoo.com/*`
- `*://www.qwant.com/*`
- `*://duckduckgo.com/*`
- `*://www.duckduckgo.com/*`
- `*://start.duckduckgo.com/*`
- `*://startpage.com/*`
- `*://pixabay.com/*`
- `*://search.brave.com/*`
- `*://*.yandex.com/*`
- `*://*.yandex.ru/*`
- `*://*.yandex.az/*`
- `*://*.yandex.by/*`
- `*://*.yandex.co.il/*`
- `*://*.yandex.com.am/*`
- `*://*.yandex.com.ge/*`
- `*://*.yandex.com.ru/*`
- `*://*.yandex.com.tr/*`
- `*://*.yandex.de/*`
- `*://*.yandex.ee/*`
- `*://*.yandex.eu/*`
- `*://*.yandex.fi/*`
- `*://*.yandex.fr/*`
- `*://*.yandex.kz/*`
- `*://*.yandex.lt/*`
- `*://*.yandex.lv/*`
- `*://*.yandex.md/*`
- `*://*.yandex.net/*`
- `*://*.yandex.org/*`
- `*://*.yandex.pl/*`
- `*://*.yandex.tj/*`
- `*://*.yandex.tm/*`
- `*://*.yandex.uz/*`
- `*://yandex.com/*`
- `*://yandex.ru/*`
- `*://ya.ru/*`
- `*://*.ya.ru/*`
- `*://xn--d1acpjx3f.xn--p1ai/*`
- `*://*.xn--d1acpjx3f.xn--p1ai/*`

## Safety

- **Risk impact:** Very high risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Request access to the following domains: google.com, bing.com, yahoo.com, qwant.com, duckduckgo.com, startpage.com, pixabay.com, brave.com, yandex.com, yandex.ru, yandex.az, yandex.by, co.il, com.am, com.ge, com.ru, com.tr, yandex.de, yandex.ee, yandex.eu, yandex.fi, yandex.fr, yandex.kz, yandex.lt, yandex.lv, yandex.md, yandex.net, yandex.org, yandex.pl, yandex.tj, yandex.tm, yandex.uz, ya.ru, xn--d1acpjx3f.xn--p1ai
- This extension was recently updated in the past month. New updates 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).

## Similar extensions and apps

- [SafeSearch Lock for YouTube](https://chrome-stats.com/d/safesearch-lock-for-youtube)
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- [Classical Search Bar](https://chrome-stats.com/d/classical-search-bar) — 327 users, 3.93 / 5

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