--- title: "adWMG Checker: ads.txt/sellers.json – Chrome extension stats, history and permissions" description: "35 users, rated 5.00 by 1 person. Version 10, updated 2026-10-20. Requests 6 permissions." url: "https://extensiontracker.com/extension/gdmhmbejelimkohnpineofcgdigocdog" --- # adWMG Checker: ads.txt/sellers.json **Removed from the Chrome Web Store on 23 Oct 2026.** This extension is no longer available on the Chrome Web Store. It may have been removed by the developer or taken down by Google. It has left the store's daily lists, and the store no longer offers it for Chrome to install. The figures are as last seen on 21 Oct 2026. - Users: 35 - Rating: 5.00 from 1 rating - Last checked: 2026-10-21 05:44 UTC - Users gained in 7 days: No change - Users gained in 30 days: +4 (+12.9%) ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > Validate ads.txt and app-ads.txt files, cross-reference seller IDs with sellers.json, detect errors, and analyze SPO metrics - Extension ID: `gdmhmbejelimkohnpineofcgdigocdog` - Developer: [OstinUA](https://extensiontracker.com/developer/u95260f27874296b18a47d2a9902bc52e) - Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools) - First published: 2025-12-12 - Last updated: 2026-10-20 - Version: `10` - Size: 115 KiB - Minimum Chrome: 88 - Languages (1): English - Support page: `https://devs-in-exile.pages.dev/support` - Search Google for the ID: - Archived copies of the listing: - Archived copies at the store's old address: ## Users over time One row per check, newest first, as shown on the Chrome Web Store. | Checked | Users | Rating | Ratings | | --- | ---: | ---: | ---: | | 2026-10-21 | 35 | 5.00 | 1 | | 2026-10-20 | 33 | 5.00 | 1 | | 2026-09-28 | 31 | 5.00 | 2 | | 2026-09-27 | 32 | 5.00 | 2 | ## What changed Every change found on a check, newest first. - 2026-10-25: Removed from the Chrome Web Store. - 2026-10-23: No longer trusted by Enhanced Safe Browsing. - 2026-10-21: New version `10`, replacing `7.6.1`. - 2026-10-21: Renamed from “Lines Checker: ads.txt/app-ads.txt/sellers.json” to “adWMG Checker: ads.txt/sellers.json”. - 2026-10-21: The summary on the listing changed. - 2026-10-21: Added the permission `scripting`. - 2026-10-20: New version `7.6.1`, replacing `7.4.4`. - 2026-10-20: Renamed from “adWMG Checker: ads.txt/sellers.json” to “Lines Checker: ads.txt/app-ads.txt/sellers.json”. - 2026-10-20: The summary on the listing changed. - 2026-10-20: Moved from Workflow & Planning to Tools. - 2026-10-20: Removed the permission `scripting`. - 2026-10-20: The privacy policy link changed. - 2026-09-28: New version `7.4.4`, replacing `7.4.2`. - 2026-09-28: Renamed from “adWMG Chrome Extension: ads.txt/sellers.json” to “adWMG Checker: ads.txt/sellers.json”. ## 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. **Every website:** it can read and change your data on all the sites you visit. ### Sites - `http://*/*`: Every website - `https://*/*`: Every website ### Sites where it runs scripts - `*://*/*/ads.txt*`: Every website - `*://*/*/app-ads.txt*`: Every website - `*://*/ads.txt*`: Every website - `*://*/app-ads.txt*`: Every website ### Browser features - `scripting`: Run scripts on sites it can reach - `storage`: Save settings and data in your browser - `tabs`: Read the addresses and titles of your tabs - `unlimitedStorage`: Store more data than the usual limit ## More from this developer Other extensions from the same publisher account. | Extension | Users | Rating | Ratings | Category | | --- | ---: | ---: | ---: | --- | | [Web Traffic Analyzer & Geo Stats Tool](https://extensiontracker.com/extension/ghefjempjpcoemfdkecdlaafjmikiind) | 96 | – | – | Workflow & Planning | | [Multi-Line Auto Typer](https://extensiontracker.com/extension/kdncbmnbapmijjeoendkmhmpfengiklb) | 67 | 4.00 | 2 | Tools | | [Sellers.json Inspector](https://extensiontracker.com/extension/neboddkndfhfoeoolmdfgeelajmpdkfm) | 49 | 5.00 | 1 | Developer Tools | | [Mass Ads & App-Ads Checker](https://extensiontracker.com/extension/gmojbjflbpipemmhpbhpfhegkmoeobmg) | 17 | 5.00 | 1 | Developer Tools | | [Programmatic ad-scanner](https://extensiontracker.com/extension/cbimifbdmnobhmnpclljjnnaggcialof) | 14 | – | – | Tools | | [Game Store Link Extractor](https://extensiontracker.com/extension/hbgjmlebjchbpjkpddccfkebcofpfmgc) | 9 | – | – | Tools | | [Ad Network Logger](https://extensiontracker.com/extension/obplbeempbagbggnobgechlhpldmlfll) | 9 | – | – | Tools | | [OpenFront Donor Calc Pro](https://extensiontracker.com/extension/pnegnhghggagpfadifambjaanlkeboaj) | 5 | – | – | Tools | | [Site Analyzer](https://extensiontracker.com/extension/kendeehbgfnaoegjlkiifabflimdonai) | 4 | – | – | Tools | | [Inventory Auth Auditor](https://extensiontracker.com/extension/pnehbpfjeogdfkhebkjmiehijhddfeld) | 3 | – | – | Workflow & Planning | All 13 extensions by [OstinUA](https://extensiontracker.com/developer/u95260f27874296b18a47d2a9902bc52e). ## About this data Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-10-21 05:44 UTC. How the data is collected: . ## Cite this page Extension Tracker. “adWMG Checker: ads.txt/sellers.json” (gdmhmbejelimkohnpineofcgdigocdog). Chrome Web Store data, last checked 2026-10-21. https://extensiontracker.com/extension/gdmhmbejelimkohnpineofcgdigocdog. Accessed 2026-11-13. ```bibtex @misc{extensiontracker_gdmhmbejelimkohnpineofcgdigocdog, title = {adWMG Checker: ads.txt/sellers.json (gdmhmbejelimkohnpineofcgdigocdog)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-10-21}, url = {https://extensiontracker.com/extension/gdmhmbejelimkohnpineofcgdigocdog}, 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. 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