--- title: "Seller Assistant — Amazon Product Research Tool – Chrome extension stats, history and permissions" description: "40,000 users, rated 4.52 by 268 people. Version 1.40.5, updated 2026-11-12. Requests 25 permissions." url: "https://extensiontracker.com/extension/ngddmlfbgokkcfbmnniahfbffdohlhgf" --- # Seller Assistant — Amazon Product Research Tool Live in the Chrome Web Store. - Users: 40,000 - Rating: 4.52 from 268 ratings - Last checked: 2026-11-13 05:50 UTC - Users gained in 7 days: No change - Users gained in 30 days: No change (+0.0%) - Rank by users: #2,796 of 292,125 live extensions - Rank in Workflow & Planning: #956 of 49,295 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > Amazon Seller Tools: FBM & FBA Calculator, IP Alert, Quick View, Stock Checker, Restrictions Checker, ASIN Grabber, Side Panel View - Extension ID: `ngddmlfbgokkcfbmnniahfbffdohlhgf` - Developer: [Linen Art LLC](https://extensiontracker.com/developer/u606a1017a38c8cd24cfc8a21c63e5758) - Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow) - First published: 2019-07-25 - Last updated: 2026-11-12 - Version: `1.40.5` - Size: 3.9 MiB - Minimum Chrome: 88 - Languages (1): English - Website: `sellerassistant.app` - Support page: `https://help.sellerassistant.app/` - Chrome Web Store: - View its code or download CRX: - Search Google for the ID: ## Users over time One row per check, newest first, as shown on the Chrome Web Store. | Checked | Users | Rating | Ratings | | --- | ---: | ---: | ---: | | 2026-11-13 | 40,000 | 4.52 | 268 | | 2026-11-12 | 40,000 | 4.52 | 268 | | 2026-11-07 | 40,000 | 4.52 | 268 | | 2026-11-06 | 40,000 | 4.52 | 268 | | 2026-11-05 | 40,000 | 4.52 | 268 | | 2026-10-31 | 40,000 | 4.52 | 268 | | 2026-10-28 | 40,000 | 4.52 | 268 | | 2026-10-24 | 40,000 | 4.52 | 268 | | 2026-10-22 | 40,000 | 4.52 | 268 | | 2026-10-21 | 40,000 | 4.52 | 268 | | 2026-10-14 | 40,000 | 4.52 | 268 | | 2026-10-07 | 40,000 | 4.84 | 268 | | 2026-10-01 | 40,000 | 4.84 | 268 | | 2026-09-30 | 40,000 | 4.84 | 268 | | 2026-09-27 | 40,000 | 4.84 | 268 | ## What changed Every change found on a check, newest first. - 2026-11-13: New version `1.40.5`, replacing `1.40.4`. - 2026-11-12: New version `1.40.4`, replacing `1.40.3`. - 2026-11-07: New version `1.40.3`, replacing `1.40.2`. - 2026-11-06: New version `1.40.2`, replacing `1.40.1`. - 2026-11-05: New version `1.40.1`, replacing `1.40.0`. - 2026-10-31: New version `1.40.0`, replacing `1.39.2`. - 2026-10-28: New version `1.39.2`, replacing `1.39.1`. - 2026-10-24: New version `1.39.1`, replacing `1.39.0`. - 2026-10-22: New version `1.39.0`, replacing `1.38.0`. - 2026-10-01: New version `1.38.0`, replacing `1.37.2`. - 2026-09-30: New version `1.37.2`, replacing `1.37.1`. ## Developer history Moves to another publisher account and new contact emails, newest first. No move to another account and no new contact email since tracking began on 2026-09-27. We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/). ## What it can access From the extension's manifest, in plain language. ### Sites - `https://*.amazon.ae/*`: amazon.ae and its subdomains - `https://*.amazon.ca/*`: amazon.ca and its subdomains - `https://*.amazon.co.jp/*`: amazon.co.jp and its subdomains - `https://*.amazon.co.uk/*`: amazon.co.uk and its subdomains - `https://*.amazon.com.au/*`: amazon.com.au and its subdomains - `https://*.amazon.com.br/*`: amazon.com.br and its subdomains - `https://*.amazon.com.mx/*`: amazon.com.mx and its subdomains - `https://*.amazon.com.tr/*`: amazon.com.tr and its subdomains - `https://*.amazon.com/*`: amazon.com and its subdomains - `https://*.amazon.de/*`: amazon.de and its subdomains - `https://*.amazon.eg/*`: amazon.eg and its subdomains - `https://*.amazon.es/*`: amazon.es and its subdomains - `https://*.amazon.fr/*`: amazon.fr and its subdomains - `https://*.amazon.in/*`: amazon.in and its subdomains - `https://*.amazon.it/*`: amazon.it and its subdomains - `https://*.amazon.nl/*`: amazon.nl and its subdomains - `https://*.amazon.pl/*`: amazon.pl and its subdomains - `https://*.amazon.sa/*`: amazon.sa and its subdomains - `https://*.amazon.se/*`: amazon.se and its subdomains - `https://*.amazon.sg/*`: amazon.sg and its subdomains - `https://*.sellerassistant.app/`: sellerassistant.app and its subdomains ### Sites where it runs scripts - `https://*.amazon.ae/*`: amazon.ae and its subdomains - `https://*.amazon.ca/*`: amazon.ca and its subdomains - `https://*.amazon.co.jp/*`: amazon.co.jp and its subdomains - `https://*.amazon.co.uk/*`: amazon.co.uk and its subdomains - `https://*.amazon.com.au/*`: amazon.com.au and its subdomains - `https://*.amazon.com.br/*`: amazon.com.br and its subdomains - `https://*.amazon.com.mx/*`: amazon.com.mx and its subdomains - `https://*.amazon.com.tr/*`: amazon.com.tr and its subdomains - `https://*.amazon.com/*`: amazon.com and its subdomains - `https://*.amazon.de/*`: amazon.de and its subdomains - `https://*.amazon.eg/*`: amazon.eg and its subdomains - `https://*.amazon.es/*`: amazon.es and its subdomains - `https://*.amazon.fr/*`: amazon.fr and its subdomains - `https://*.amazon.in/*`: amazon.in and its subdomains - `https://*.amazon.it/*`: amazon.it and its subdomains - `https://*.amazon.nl/*`: amazon.nl and its subdomains - `https://*.amazon.pl/*`: amazon.pl and its subdomains - `https://*.amazon.sa/*`: amazon.sa and its subdomains - `https://*.amazon.se/*`: amazon.se and its subdomains - `https://*.amazon.sg/*`: amazon.sg and its subdomains - `https://sellercentral.amazon.ae/automatepricing/rules/listings/*`: sellercentral.amazon.ae - `https://sellercentral.amazon.ae/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.ae - `https://sellercentral.amazon.ae/inventory*`: sellercentral.amazon.ae - `https://sellercentral.amazon.ca/automatepricing/rules/listings/*`: sellercentral.amazon.ca - `https://sellercentral.amazon.ca/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.ca - `https://sellercentral.amazon.ca/inventory*`: sellercentral.amazon.ca - `https://sellercentral.amazon.co.jp/automatepricing/rules/listings/*`: sellercentral.amazon.co.jp - `https://sellercentral.amazon.co.jp/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.co.jp - `https://sellercentral.amazon.co.jp/inventory*`: sellercentral.amazon.co.jp - `https://sellercentral.amazon.co.uk/automatepricing/rules/listings/*`: sellercentral.amazon.co.uk - `https://sellercentral.amazon.co.uk/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.co.uk - `https://sellercentral.amazon.co.uk/inventory*`: sellercentral.amazon.co.uk - `https://sellercentral.amazon.com.au/automatepricing/rules/listings/*`: sellercentral.amazon.com.au - `https://sellercentral.amazon.com.au/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.com.au - `https://sellercentral.amazon.com.au/inventory*`: sellercentral.amazon.com.au - `https://sellercentral.amazon.com.br/automatepricing/rules/listings/*`: sellercentral.amazon.com.br - `https://sellercentral.amazon.com.br/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.com.br - `https://sellercentral.amazon.com.br/inventory*`: sellercentral.amazon.com.br - `https://sellercentral.amazon.com.mx/automatepricing/rules/listings/*`: sellercentral.amazon.com.mx - `https://sellercentral.amazon.com.mx/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.com.mx - `https://sellercentral.amazon.com.mx/inventory*`: sellercentral.amazon.com.mx - `https://sellercentral.amazon.com.tr/automatepricing/rules/listings/*`: sellercentral.amazon.com.tr - `https://sellercentral.amazon.com.tr/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.com.tr - `https://sellercentral.amazon.com.tr/inventory*`: sellercentral.amazon.com.tr - `https://sellercentral.amazon.com/automatepricing/rules/listings/*`: sellercentral.amazon.com - `https://sellercentral.amazon.com/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.com - `https://sellercentral.amazon.com/inventory*`: sellercentral.amazon.com - `https://sellercentral.amazon.de/automatepricing/rules/listings/*`: sellercentral.amazon.de - `https://sellercentral.amazon.de/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.de - `https://sellercentral.amazon.de/inventory*`: sellercentral.amazon.de - `https://sellercentral.amazon.eg/automatepricing/rules/listings/*`: sellercentral.amazon.eg - `https://sellercentral.amazon.eg/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.eg - `https://sellercentral.amazon.eg/inventory*`: sellercentral.amazon.eg - `https://sellercentral.amazon.es/automatepricing/rules/listings/*`: sellercentral.amazon.es - `https://sellercentral.amazon.es/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.es - `https://sellercentral.amazon.es/inventory*`: sellercentral.amazon.es - `https://sellercentral.amazon.fr/automatepricing/rules/listings/*`: sellercentral.amazon.fr - `https://sellercentral.amazon.fr/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.fr - `https://sellercentral.amazon.fr/inventory*`: sellercentral.amazon.fr - `https://sellercentral.amazon.in/automatepricing/rules/listings/*`: sellercentral.amazon.in - `https://sellercentral.amazon.in/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.in - `https://sellercentral.amazon.in/inventory*`: sellercentral.amazon.in - `https://sellercentral.amazon.it/automatepricing/rules/listings/*`: sellercentral.amazon.it - `https://sellercentral.amazon.it/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.it - `https://sellercentral.amazon.it/inventory*`: sellercentral.amazon.it - `https://sellercentral.amazon.nl/automatepricing/rules/listings/*`: sellercentral.amazon.nl - `https://sellercentral.amazon.nl/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.nl - `https://sellercentral.amazon.nl/inventory*`: sellercentral.amazon.nl - `https://sellercentral.amazon.pl/automatepricing/rules/listings/*`: sellercentral.amazon.pl - `https://sellercentral.amazon.pl/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.pl - `https://sellercentral.amazon.pl/inventory*`: sellercentral.amazon.pl - `https://sellercentral.amazon.sa/automatepricing/rules/listings/*`: sellercentral.amazon.sa - `https://sellercentral.amazon.sa/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.sa - `https://sellercentral.amazon.sa/inventory*`: sellercentral.amazon.sa - `https://sellercentral.amazon.se/automatepricing/rules/listings/*`: sellercentral.amazon.se - `https://sellercentral.amazon.se/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.se - `https://sellercentral.amazon.se/inventory*`: sellercentral.amazon.se - `https://sellercentral.amazon.sg/automatepricing/rules/listings/*`: sellercentral.amazon.sg - `https://sellercentral.amazon.sg/hz/inventory/view/FBAKNIGHTS/*`: sellercentral.amazon.sg - `https://sellercentral.amazon.sg/inventory*`: sellercentral.amazon.sg - `https://www.amazon.ae/*`: www.amazon.ae - `https://www.amazon.ca/*`: www.amazon.ca - `https://www.amazon.co.jp/*`: www.amazon.co.jp - `https://www.amazon.co.uk/*`: www.amazon.co.uk - `https://www.amazon.com.au/*`: www.amazon.com.au - `https://www.amazon.com.br/*`: www.amazon.com.br - `https://www.amazon.com.mx/*`: www.amazon.com.mx - `https://www.amazon.com.tr/*`: www.amazon.com.tr - `https://www.amazon.com/*`: www.amazon.com - `https://www.amazon.de/*`: www.amazon.de - `https://www.amazon.eg/*`: www.amazon.eg - `https://www.amazon.es/*`: www.amazon.es - `https://www.amazon.fr/*`: www.amazon.fr - `https://www.amazon.in/*`: www.amazon.in - `https://www.amazon.it/*`: www.amazon.it - `https://www.amazon.nl/*`: www.amazon.nl - `https://www.amazon.pl/*`: www.amazon.pl - `https://www.amazon.sa/*`: www.amazon.sa - `https://www.amazon.se/*`: www.amazon.se - `https://www.amazon.sg/*`: www.amazon.sg ### Browser features - `activeTab`: The tab you're on, only after you click the extension - `contextMenus`: Add items to the right-click menu - `sidePanel`: Show a side panel - `storage`: Save settings and data in your browser ## More from this developer Other extensions from the same publisher account. | Extension | Users | Rating | Ratings | Category | | --- | ---: | ---: | ---: | --- | | [IP-Alert by Seller Assistant for Amazon Sellers](https://extensiontracker.com/extension/bccpegbeakkofioonldfbhgdcdjmkfnk) | 20,000 | 4.41 | 17 | Workflow & Planning | | [VPN by Seller Assistant - Secure and Unlimited VPN (Proxy)](https://extensiontracker.com/extension/iogkjigmogcifelidoimdideidldfafo) | 614 | 3.00 | 2 | Privacy & Security | All 3 extensions by [Linen Art LLC](https://extensiontracker.com/developer/u606a1017a38c8cd24cfc8a21c63e5758). ## 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 2026-11-13 05:50 UTC; next check around 2026-11-20. How the data is collected: . ## Cite this page Extension Tracker. “Seller Assistant — Amazon Product Research Tool” (ngddmlfbgokkcfbmnniahfbffdohlhgf). Chrome Web Store data, last checked 2026-11-13. https://extensiontracker.com/extension/ngddmlfbgokkcfbmnniahfbffdohlhgf. Accessed 2026-11-13. ```bibtex @misc{extensiontracker_ngddmlfbgokkcfbmnniahfbffdohlhgf, title = {Seller Assistant — Amazon Product Research Tool (ngddmlfbgokkcfbmnniahfbffdohlhgf)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-11-13}, url = {https://extensiontracker.com/extension/ngddmlfbgokkcfbmnniahfbffdohlhgf}, urldate = {2026-11-13} } ``` --- 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.