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SmartKDP – Book Sales & Royalty Estimator

Chrome extension by Smart KDP · Productivity · Tools

A Chrome extension in Productivity · Tools with 30 users, barely installed. Audience over the last 30 days: +13.

Specific sites only: 7 match patterns.

What the developer says, and 5 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
30
Rating
not rated yet
Users, last 30 days
+13
Version
1.2.0
Updated in the store
2026-10-19
Published
2026-08-25
Manifest
V3
Browser access
3 permissions, 7 site patterns

How it has moved

Users
+13 since 02.10
17-30 · 13 readings
2026-10-10: released 1.1.12026-10-19: released 1.2.0
  1. 2026-10-0422
  2. 2026-10-0821
  3. 2026-10-0920
  4. 2026-10-1121
  5. 2026-10-1324
  6. 2026-10-1825
  7. 2026-10-2124
  8. 2026-10-2223
  9. 2026-10-2322
  10. 2026-10-2423
  11. 2026-10-2524
  12. 2026-10-2926
  13. 2026-11-0130
Users
+26 since 04.09
4-30 · 22 readings
2026-09-04: appeared in the store2026-09-08: released 1.1.02026-10-10: released 1.1.12026-10-19: released 1.2.0
  1. 2026-09-044appeared in the store
  2. 2026-09-076
  3. 2026-09-086released 1.1.0
  4. 2026-09-157
  5. 2026-09-178
  6. 2026-09-2115
  7. 2026-09-2516
  8. 2026-09-2718
  9. 2026-09-2817
  10. 2026-10-0422
  11. 2026-10-0821
  12. 2026-10-0920
  13. 2026-10-1121
  14. 2026-10-1324
  15. 2026-10-1825
  16. 2026-10-2124
  17. 2026-10-2223
  18. 2026-10-2322
  19. 2026-10-2423
  20. 2026-10-2524
  21. 2026-10-2926
  22. 2026-11-0130

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 7 match patterns.

  • https://www.amazon.com/*
  • https://www.amazon.co.uk/*
  • https://www.amazon.de/*
Show the remaining 4
  • https://completion.amazon.com/*
  • https://completion.amazon.co.uk/*
  • https://completion.amazon.de/*
  • https://smartkdp.com/*
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.2.0 · Asked for more permissions (10, was 9) (changed: browser permissions, optional site access)
  2. Version 1.1.1
  3. Version 1.1.0

What changed recently

  1. Package size changed
  2. Asked for more permissions (10, was 9) (changed: browser permissions, optional site access)
  3. Released version 1.2.0 (was 1.1.1)
Show the remaining 6
  1. Package size changed
  2. Released version 1.1.1 (was 1.1.0)
  3. Store badges changed
  4. Package size changed
  5. Released version 1.1.0 (was 1.0.1)
  6. Appeared in the store

The publisher

Smart KDP. Listed website: smartkdp.com.

Like this one

Listings the catalog judges closest in what they say they do.

  1. KDP Niche & Keyword Tool — Amazon Niche Finder & Book Research Describes nearly the same job, smaller audience 2k users ★ 5.0
  2. BookPeek - KDP Book Niche Research + MCP Describes nearly the same job, smaller audience 15 users
  3. ShelfScout: KDP Keyword & Niche Research Describes nearly the same job, smaller audience 10 users
  4. KDP Market Analyzer Describes nearly the same job, smaller audience 6 users
  5. KDP Profit Analyzer Describes nearly the same job, smaller audience 12 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/nllnbehlmnpefmhimccedmebenlhhkee/badge.svg)](https://extops.dev/extensions/nllnbehlmnpefmhimccedmebenlhhkee)

HTML

<a href="https://extops.dev/extensions/nllnbehlmnpefmhimccedmebenlhhkee"><img src="https://extops.dev/extensions/nllnbehlmnpefmhimccedmebenlhhkee/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built