# Hazmat: Ban Subreddits You Don't Like

> Ban subreddits you don't like

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

## Overview

- **ID:** `hazmat`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Miloslav Voloskov
- **Daily users:** 5
- **Rating:** 1.00 / 5 (1 ratings)
- **Version:** 3.4.0
- **Last updated:** 2021-05-20
- **First published:** 2021-05-10
- **Size:** 115 KB
- **Data as of:** 2025-03-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/hazmat/)
- **Website:** [https://github.com/mvoloskov/hazmat](https://github.com/mvoloskov/hazmat)

## Description

Hazmat: Ban Subreddits You Don't Like is a Firefox add-on that allows you to easily hide subreddits you dislike from your feed. It supports multiple browsers, syncs with your Google or Firefox account, respects your system color scheme, and offers import/export functionality.

## Permissions and access

### Permissions

- `storage`

### Content script matches

- `www.reddit.com`
- `reddit.com`

## Safety

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

### Analysis details

- Request access to the following domains: reddit.com
- This extension is not longer available in the store

> 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

- [BadSubs](https://chrome-stats.com/d/badsubs)
- [HN Blacklist](https://chrome-stats.com/d/hn-blacklist)
- [Github Blacklist](https://chrome-stats.com/d/github-blacklist)
- [DeReddit – Reddit Feed & Distraction Blocker](https://chrome-stats.com/d/dereddit) — 364 users, 4.80 / 5
- [Reddit Feed Blocker](https://chrome-stats.com/d/reddit-feed-blocker) — 10 users, 5.00 / 5
- [Reddit filter](https://chrome-stats.com/d/reddit-filter) — 13 users, 3.00 / 5
- [QuietList - Block Words On Websites](https://chrome-stats.com/d/quietlist) — 3 users
- [uBlacklist](https://chrome-stats.com/d/ublacklist) — 39,566 users, 4.32 / 5
- [Hacker News Blocklist](https://chrome-stats.com/d/hacker-news-blocklist) — 1 users
- [Blacklist](https://chrome-stats.com/d/blacklist) — 27 users, 5.00 / 5
- [teddit-cleaner](https://chrome-stats.com/d/teddit-cleaner)
- [CleanReddit](https://chrome-stats.com/d/cleanreddit)

---

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