# AZ BS Filter

> A browser extension that filters Amazon Kindle Best Seller lists to hide previously seen items and those with ratings or prices below configurable thresholds.

Canonical page: [https://chrome-stats.com/d/az-bs-filter](https://chrome-stats.com/d/az-bs-filter)

## Overview

- **ID:** `az-bs-filter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** We Is Nobody
- **Category:** shopping
- **Version:** 0.4.0
- **Last updated:** 2026-07-21
- **First published:** 2026-07-18
- **Size:** 982 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/az-bs-filter/)
- **Website:** [https://azbs.weisnobody.com](https://azbs.weisnobody.com/)

## Description

When browsing the best seller lists this extension will tracks the books that it displays and the next time that item is in the list it will be hidden.

Reduces the number of times you see the same items in the Best Sellers listings.
<ul><li><strong>Hides previously seen items</strong> - Automatically tracks and hides books previously seen on the lists</li><li><strong>Filter by Ratings</strong> - Hide items below a minimum rating or rating count</li><li><strong>Re-show after days</strong> - Optionally show items again after a set period</li><li><strong>Separate tracking</strong> - Free and Paid lists tracked independently</li><li><strong>Blocklist support</strong> - Import CSV of ASINs to permanently hide (for example, books already owned or previous read, etc.)</li><li><strong>Configurable transparency</strong> - Choose how hidden items appear (25%-100% transparent or removed from list)</li><li><strong>Dynamic content support</strong> - Filters items loaded during scrolling</li><li><strong>Export/Import</strong> - Export / Import settings and item databases for backup / transfer to new computer or different browser</li><li><strong>Privacy Respecting</strong> - All data is stored locally in your browser. There are no analytics collected.</li></ul>
You'll need to scroll down (and sometimes back up) for all of the items to load.

The extension page shows the counts of items visible and the total count of items.  Not all pages have 50 items, so the total count may not hit 50.

## Rankings

- #137,740 — Overall
- #225 — kindle

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `*://*.amazon.com/*`
- `*://*.amazon.com.au/*`
- `*://*.amazon.com.be/*`
- `*://*.amazon.com.br/*`
- `*://*.amazon.ca/*`
- `*://*.amazon.cn/*`
- `*://*.amazon.eg/*`
- `*://*.amazon.fr/*`
- `*://*.amazon.de/*`
- `*://*.amazon.in/*`
- `*://*.amazon.it/*`
- `*://*.amazon.co.jp/*`
- `*://*.amazon.com.mx/*`
- `*://*.amazon.nl/*`
- `*://*.amazon.pl/*`
- `*://*.amazon.sa/*`
- `*://*.amazon.sg/*`
- `*://*.amazon.es/*`
- `*://*.amazon.se/*`
- `*://*.amazon.com.tr/*`
- `*://*.amazon.ae/*`
- `*://*.amazon.co.uk/*`

### Content script matches

- `*.amazon.com`
- `*.amazon.com.au`
- `*.amazon.com.be`
- `*.amazon.com.br`
- `*.amazon.ca`
- `*.amazon.cn`
- `*.amazon.eg`
- `*.amazon.fr`
- `*.amazon.de`
- `*.amazon.in`
- `*.amazon.it`
- `*.amazon.co.jp`
- `*.amazon.com.mx`
- `*.amazon.nl`
- `*.amazon.pl`
- `*.amazon.sa`
- `*.amazon.sg`
- `*.amazon.es`
- `*.amazon.se`
- `*.amazon.com.tr`
- `*.amazon.ae`
- `*.amazon.co.uk`

## Safety

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

### Analysis details

- Request access to the following domains: amazon.com, com.au, com.be, com.br, amazon.ca, amazon.cn, amazon.eg, amazon.fr, amazon.de, amazon.in, amazon.it, co.jp, com.mx, amazon.nl, amazon.pl, amazon.sa, amazon.sg, amazon.es, amazon.se, com.tr, amazon.ae, co.uk
- 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/az-bs-filter)