# Simple Blocker

> Block URLs with regular expression

Canonical page: [https://chrome-stats.com/d/simple-regex-blocker](https://chrome-stats.com/d/simple-regex-blocker)

## Overview

- **ID:** `simple-regex-blocker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Ery
- **Category:** privacy-security
- **Daily users:** 198
- **Weekly downloads:** 2
- **Rating:** 4.52 / 5 (25 ratings)
- **Version:** 0.3.8resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-02-14
- **Size:** 16 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/simple-regex-blocker/)

## Description

Simple Blocker is a lightweight Chrome extension designed to block URLs using customizable regular expressions. It supports multiple regular expression filters entered line by line and includes two filter modes:

- **Blacklist Mode:** Blocks all URLs matching the provided regular expressions.
- **Whitelist Mode:** Blocks all URLs that do not match the provided expressions.

The extension offers a debug mode to log blocked URLs in the browser console for easy monitoring. Users can customize their browsing experience by efficiently managing URL access through flexible regex patterns. Detailed documentation on regular expressions is available to assist users in setting up filters.

With Simple Blocker, controlling and filtering web content becomes intuitive and powerful, making it perfect for users looking to enhance their internet safety or customize browsing environments.

## Rankings

- #8,329 — Overall
- #35 — simple
- #114 — ad blocker
- #131 — website blocker
- #146 — block
- #151 — writer's block

## Permissions and access

### Permissions

- `webRequest`
- `webRequestBlocking`
- `storage`
- `<all_urls>`

## Safety

- **Risk impact:** Moderate 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).

## Similar extensions and apps

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- [List Domain Blocker](https://chrome-stats.com/d/list-domain-blocker) — 18 users, 2.75 / 5

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