Hides previously seen items
Automatically tracks and hides books previously seen on the lists.
A-Z BS Filter
A calmer way to browse
A browser extension that filters Amazon Kindle Best Seller lists to hide previously seen items and those with ratings or prices below configurable thresholds.
| Browser | Desktop | Mobile |
|---|---|---|
| Chrome | Yes | Unknown / Not Tested |
| Firefox | Yes | Unknown / Not Tested |
| Safari | Thinking | Unknown |
Reduce the number of times you see the same items in the Best Sellers listings.
Automatically tracks and hides books previously seen on the lists.
Hide items below a minimum rating or rating count.
Optionally show items again after a set period.
Free and Paid lists are tracked independently.
Import CSVs of ASINs to permanently hide books already owned or read.
Choose how hidden items appear: 25%–100% transparent or removed.
Filters items loaded during scrolling.
Export or import settings and item databases for backup or transfer to another computer or browser.
All data is stored locally in your browser, with no analytics collected.
Access settings by clicking the extension icon and selecting “Settings”, or right-click the icon and choose “Options”.
Shows counts of items seen and items in the block lists.
Set a minimum rating count, show zero-rating items, and choose a minimum rating score.
Choose how filtered items appear and when they should be shown again.
Hide items below a minimum price or above a maximum price.
Re-show items when rank, rating, rating count, or price improves.
Configure random showing and consecutive-day behavior.
| Ratings setting | Default | Description |
|---|---|---|
| Minimum rating count | 10 | Hide items with fewer ratings |
| Show zero-rating items | Off | Whether to show unrated items |
| Minimum rating score | 3.5 | Hide items rated below this |
| Display setting | Default | Description |
|---|---|---|
| Hide style | 75% transparent | How filtered items appear |
| Re-show | Never | Display item after X number of days |
| Price filter | Default | Description |
|---|---|---|
| Minimum Price | None | Hide items if their price is below this amount |
| Maximum Price | None | Hide items if their price is above this amount |
| Re-show condition | Default | Description |
|---|---|---|
| Rank Improves | Disabled | Show item again if their place on the list improves by this amount |
| Rating Improves | Disabled | Show item again if their rating is above this amount |
| Rating Count | Disabled | Show item again if the number of ratings increases by this amount |
| Rating Count % | Disabled | Show item again if the number of ratings increases by this amount |
| Price Reduction | Disabled | Show item again if their price is below this amount |
Note: The Rating Count and Rating Count % settings are paired and are intended to handle items with only a few ratings as well as those with a large number of ratings. With values of 10 and 25%, if an item had 16 ratings, receiving 4 new ratings would show it again, but an item with 160 ratings would require 10 new ratings.
| Advanced filter | Default | Description |
|---|---|---|
| Random Show | Disabled | Hide items if their price is below this amount |
| Consecutive Days | Disabled | Show items if they have been hidden for consecutive days |
The blocklist contains store item IDs (MOBI-ASIN / ASINs) that should never be shown. In Settings, choose a CSV file with an asin or mobi-asin column, then click “Import”.
asin,title
B09X98PHSH,Some Book Title
B004H1TDB0,Another Book
B09PB3RHDP,A Different BookExport your settings, viewing history, and blocklist data into a compressed file for restoring on another browser or computer.
Clear selective data for the extension.
| Button | Description |
|---|---|
| Clear Block List | Deletes all items in the Block List |
| Clear Historical Data | Clears all items and data that has been seen |
| Clear All Settings / Data | Deletes all data used by the extension |
The extension activates on Amazon Best Seller pages:
amazon.com/Best-Sellers-Kindle-Store-.../zgbs/digital-text/...amazon.com/gp/bestsellers/digital-text/...All data is stored locally in your browser. There are no external servers or analytics, and we do not receive any information or data from the extension. Settings sync via your browser’s built-in sync storage if enabled.
The majority of this extension was built with the use of AI. Mostly using Claude, but some latter parts with Codex.