--- title: "KDROI – Book Marketing Tools for Authors – Chrome extension stats, history and permissions" description: "6,000 users, rated 5.00 by 5 people. Version 2.2.10, updated 2026-07-26. Requests 59 permissions." url: "https://extensiontracker.com/extension/nlmagkccjhkidhigbdiappekidmijmgk" --- # KDROI – Book Marketing Tools for Authors Live in the Chrome Web Store. - Users: 6,000 - Rating: 5.00 from 5 ratings - Last checked: 2026-09-27 06:24 UTC - Users gained in 7 days: – (needs a week of history) - Users gained in 30 days: – (needs a month of history) - Rank by users: #9,477 of 264,703 live extensions - Rank in Workflow & Planning: #2,979 of 44,474 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > KDROI is a time-saving book marketing companion that every author – fiction or non-fiction – should have in their toolbox - Extension ID: `nlmagkccjhkidhigbdiappekidmijmgk` - Developer: [Publishing Altitude](https://extensiontracker.com/developer/u7a67c1dd1caf0a41358a5846be8e3298) - Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow) - First published: 2015-08-22 - Last updated: 2026-07-26 - Version: `2.2.10` - Size: 1.71 MiB - Minimum Chrome: 88 - Languages (1): English (United States) - Website: `https://www.kdroi.com/` - Support page: `https://www.publishingaltitude.com/contact-us/` - Chrome Web Store: - View the code or download the CRX, in CRX Viewer: ## Users over time One row per check, newest first, as shown on the Chrome Web Store. | Checked | Users | Rating | Ratings | | --- | ---: | ---: | ---: | | 2026-09-27 | 6,000 | 5.00 | 5 | ## What changed Every change found on a check, newest first. No changes found since tracking began on 2026-09-27. ## What it can access From the extension's manifest, in plain language. ### Sites - `*://*.amazon.ca/*`: amazon.ca and its subdomains - `*://*.amazon.co.jp/*`: amazon.co.jp and its subdomains - `*://*.amazon.co.uk/*`: amazon.co.uk and its subdomains - `*://*.amazon.com.au/*`: amazon.com.au and its subdomains - `*://*.amazon.com.br/*`: amazon.com.br and its subdomains - `*://*.amazon.com.mx/*`: amazon.com.mx and its subdomains - `*://*.amazon.com/*`: amazon.com and its subdomains - `*://*.amazon.de/*`: amazon.de and its subdomains - `*://*.amazon.es/*`: amazon.es and its subdomains - `*://*.amazon.fr/*`: amazon.fr and its subdomains - `*://*.amazon.in/*`: amazon.in and its subdomains - `*://*.amazon.it/*`: amazon.it and its subdomains - `*://*.amazon.pl/*`: amazon.pl and its subdomains - `*://*.bookangel.co.uk/*`: bookangel.co.uk and its subdomains - `*://*.bookbongo.com/*`: bookbongo.com and its subdomains - `*://*.choosybookworm.com/*`: choosybookworm.com and its subdomains - `*://*.cravebooks.com/*`: cravebooks.com and its subdomains - `*://*.digitalbooktoday.com/*`: digitalbooktoday.com and its subdomains - `*://*.freebooktips.com/*`: freebooktips.com and its subdomains - `*://*.freeebooksblog.com/*`: freeebooksblog.com and its subdomains - `*://*.indiestoday.com/*`: indiestoday.com and its subdomains - `*://*.newfreekindlebooks.com/*`: newfreekindlebooks.com and its subdomains - `*://*.readingdeals.com/*`: readingdeals.com and its subdomains - `*://amzr.kdroi.com/*`: amzr.kdroi.com - `*://armadilloebooks.wufoo.com/*`: armadilloebooks.wufoo.com - `*://awesomegang.com/*`: awesomegang.com - `*://book-circle.com/*`: book-circle.com - `*://bookhearts.com/*`: bookhearts.com - `*://discountbookman.com/*`: discountbookman.com - `*://docs.google.com/*`: docs.google.com - `*://ebookasaurus.com/*`: ebookasaurus.com - `*://ebookshabit.com/*`: ebookshabit.com - `*://ereadergirl.com/*`: ereadergirl.com - `*://fkbt.com/*`: fkbt.com - `*://free99books.com/*`: free99books.com - `*://freeboostmarketing.com/*`: freeboostmarketing.com - `*://freediscountedbooks.com/*`: freediscountedbooks.com - `*://igniteyourbook.com/*`: igniteyourbook.com - `*://ijustread.it/*`: ijustread.it - `*://indiebookoftheday.com/*`: indiebookoftheday.com - `*://itswritenow.com/*`: itswritenow.com - `*://megabookdeals.com/*`: megabookdeals.com - `*://ohfb.wufoo.com/*`: ohfb.wufoo.com - `*://pretty-hot.com/*`: pretty-hot.com - `*://s3-us-west-2.amazonaws.com/*`: s3-us-west-2.amazonaws.com - `*://shelfless.org/*`: shelfless.org - `*://www.book-circle.com/*`: www.book-circle.com - `*://www.bookzio.com/*`: www.bookzio.com - `*://www.ebooklister.net/*`: www.ebooklister.net - `*://www.free99books.com/*`: www.free99books.com - `*://www.freebooks.com/*`: www.freebooks.com - `*://www.freestufftimes.com/*`: www.freestufftimes.com - `*://www.kdroi.com/*`: www.kdroi.com - `*://www.publishingaltitude.com/*`: www.publishingaltitude.com - `*://www.yournewbooks.com/*`: www.yournewbooks.com - `*://yournewbooks.com/*`: yournewbooks.com - `*://yournewbooks.lpages.co/*`: yournewbooks.lpages.co ### Sites where it runs scripts - `*://*.amazon.ca/*`: amazon.ca and its subdomains - `*://*.amazon.co.jp/*`: amazon.co.jp and its subdomains - `*://*.amazon.co.uk/*`: amazon.co.uk and its subdomains - `*://*.amazon.com.au/*`: amazon.com.au and its subdomains - `*://*.amazon.com.br/*`: amazon.com.br and its subdomains - `*://*.amazon.com.mx/*`: amazon.com.mx and its subdomains - `*://*.amazon.com/*`: amazon.com and its subdomains - `*://*.amazon.de/*`: amazon.de and its subdomains - `*://*.amazon.es/*`: amazon.es and its subdomains - `*://*.amazon.fr/*`: amazon.fr and its subdomains - `*://*.amazon.in/*`: amazon.in and its subdomains - `*://*.amazon.it/*`: amazon.it and its subdomains - `*://*.amazon.pl/*`: amazon.pl and its subdomains - `*://*.freebooktips.com/*`: freebooktips.com and its subdomains ### Browser features - `offscreen`: Open a hidden page for background work - `storage`: Save settings and data in your browser ### Asked for later, if you agree - `browsingData`: Clear your browsing data ## More from this developer Other extensions from the same publisher account. | Extension | Users | Rating | Ratings | Category | | --- | ---: | ---: | ---: | --- | | [KDSPY – Keyword Research for Authors](https://extensiontracker.com/extension/oocoibgfbhcplhnfdjldohepoeboiloo) | 70,000 | 3.71 | 51 | Workflow & Planning | | [Prompt Blaze — AI Prompt Chaining Simplified](https://extensiontracker.com/extension/bjfghcpakkaedbehchpedekdlmbmaakd) | 1,000 | 3.80 | 10 | Workflow & Planning | All 3 extensions by [Publishing Altitude](https://extensiontracker.com/developer/u7a67c1dd1caf0a41358a5846be8e3298). ## About this data Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-27 06:24 UTC; next check around 2026-09-28. How the data is collected: . ## Cite this page Extension Tracker. “KDROI – Book Marketing Tools for Authors” (nlmagkccjhkidhigbdiappekidmijmgk). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/nlmagkccjhkidhigbdiappekidmijmgk. Accessed 2026-09-28. ```bibtex @misc{extensiontracker_nlmagkccjhkidhigbdiappekidmijmgk, title = {KDROI – Book Marketing Tools for Authors (nlmagkccjhkidhigbdiappekidmijmgk)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-09-27}, url = {https://extensiontracker.com/extension/nlmagkccjhkidhigbdiappekidmijmgk}, urldate = {2026-09-28} } ``` --- From Extension Tracker, a public record of the Chrome Web Store: . It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.