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Geo Tier Builder — Country Tiers & GEO Lists

Chrome extension by 301ST · Productivity · Developer

A Chrome extension in Productivity · Developer with 33 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 5 screenshots

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

Users
33
Rating
not rated yet
Users, last 15 days
unchanged
Version
0.4.0
Updated in the store
2026-09-13
Published
2026-03-05
Manifest
V3
Browser access
2 permissions

How it has moved

Users
unchanged since 01.09
30-35 · 8 readings
2026-09-13: released 0.4.0
  1. 2026-09-0133
  2. 2026-09-0334
  3. 2026-09-0435
  4. 2026-09-0633
  5. 2026-09-0734
  6. 2026-09-0933
  7. 2026-09-1330released 0.4.0
  8. 2026-09-1533
Users
unchanged since 01.09
30-35 · 8 readings
2026-09-13: released 0.4.0
  1. 2026-09-0133
  2. 2026-09-0334
  3. 2026-09-0435
  4. 2026-09-0633
  5. 2026-09-0734
  6. 2026-09-0933
  7. 2026-09-1330released 0.4.0
  8. 2026-09-1533

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

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 0.4.0

What changed recently

  1. Package size changed
  2. Store description rewritten
  3. Store badges changed
Show the remaining 1
  1. Released version 0.4.0 (was 0.3.0)

The publisher

301ST publishes 14 listings we track, 1k users between them. Listed website: 301.st.

  1. FastWeb — Search Accelerator 301ST · Productivity · Tools · published 2025-09-19 281 users ★ 4.9
  2. Debloat — Hide AI Clutter 301ST · Make Chrome Yours · Privacy · published 2026-02-25 253 users
  3. CookiePeek 301ST · Productivity · Developer · published 2026-02-20 167 users
Show 5 more from this publisher
  1. Redirect Inspector — Link & Redirect Checker 301ST · Productivity · Developer · published 2025-11-03 150 users ★ 5.0
  2. Xpather 301ST · Productivity · Developer · published 2026-03-14 108 users
  3. Cloudflare Tools 301ST · Productivity · Developer · published 2026-01-27 83 users ★ 5.0
  4. VirusTotal Domain Monitor 301ST · Productivity · Tools · published 2026-03-25 61 users
  5. MailBot — Disposable email 301ST · Productivity · Developer · published 2026-06-12 11 users ★ 5.0

Like this one

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

  1. Better Mailchimp Countries Describes nearly the same job, smaller audience 4 users
  2. X.com Country Detector Describes nearly the same job, smaller audience 5 users
  3. GeoHunter Helper Describes nearly the same job, smaller audience 10 users ★ 5.0
  4. Profilerator Describes nearly the same job, smaller audience 12 users
  5. IP Address Country Lookup Describes nearly the same job, smaller audience 3 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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.