---
title: "eCommerce Seller TCS Calculator by GSTProSeller – Chrome extension stats, history and permissions"
description: "3,000 users, rated 5.00 by 9 people. Version 1.2.2, updated 2026-06-10. Requests 6 permissions."
url: "https://extensiontracker.com/extension/gmbmdngkmedfojfgmpdfjeamdjdmdoeh"
---

# eCommerce Seller TCS Calculator by GSTProSeller

Live in the Chrome Web Store.

- Users: 3,000
- Rating: 5.00 from 9 ratings
- Last checked: 2026-09-27 01:56 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #12,549 of 264,704 live extensions
- Rank in Tools: #3,026 of 103,503

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Chrome extension to calculate TCS credit from https://www.gst.gov.in/, usable only when logged in to https://gstproseller.com

- Extension ID: `gmbmdngkmedfojfgmpdfjeamdjdmdoeh`
- Developer: [GSTProSeller](https://extensiontracker.com/developer/u822573e171514c1a6e389bb211ff3545)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2025-07-10
- Last updated: 2026-06-10
- Version: `1.2.2`
- Size: 348 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `gstproseller.com`
- Support page: `https://gstproseller.com/support`
- Chrome Web Store: <https://chromewebstore.google.com/detail/ecommerce-seller-tcs-calc/gmbmdngkmedfojfgmpdfjeamdjdmdoeh>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fgmbmdngkmedfojfgmpdfjeamdjdmdoeh>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 3,000 | 5.00 | 9 |

## 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

- `https://gstproseller.com/*`: gstproseller.com
- `https://return.gst.gov.in/*`: return.gst.gov.in

### Sites where it runs scripts

- `https://return.gst.gov.in/returns2/auth/gstr2x*`: return.gst.gov.in

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `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

## 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 01:56 UTC; next check around 2026-10-03.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “eCommerce Seller TCS Calculator by GSTProSeller” (gmbmdngkmedfojfgmpdfjeamdjdmdoeh). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/gmbmdngkmedfojfgmpdfjeamdjdmdoeh. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_gmbmdngkmedfojfgmpdfjeamdjdmdoeh,
  title   = {eCommerce Seller TCS Calculator by GSTProSeller (gmbmdngkmedfojfgmpdfjeamdjdmdoeh)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/gmbmdngkmedfojfgmpdfjeamdjdmdoeh},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/gmbmdngkmedfojfgmpdfjeamdjdmdoeh>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/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`.