---
title: "GMass, Inc. – Chrome extensions from this developer"
description: "2 Chrome extensions from the publisher account of GMass, Inc., with 407,000 users in all."
url: "https://extensiontracker.com/developer/uef5f4f97d3426c1fe470752857016c05"
---

# GMass, Inc.

- Extensions: 2
- Users in all: 407,000
- First published: 2015-08-26
- Publisher account: `uef5f4f97d3426c1fe470752857016c05`

Extensions are grouped by the store's own publisher account ID, so a developer who uses several accounts appears on several pages. Live extensions come first, most users first.

| Extension | Category | Users | Rating | Updated | Status |
| --- | --- | ---: | ---: | --- | --- |
| [GMass: Powerful mail merge for Gmail](https://extensiontracker.com/extension/ehomdgjhgmbidokdgicgmdiedadncbgf) | Communication | 400,000 | 4.74 | 2026-11-03 | Live |
| [Tracker Blocker: Stop trackers in emails](https://extensiontracker.com/extension/okacfeiojkgmcaonaikblpicellplcdn) | Workflow & Planning | 7,000 | 3.08 | 2025-12-15 | Live |

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/developer/uef5f4f97d3426c1fe470752857016c05>. 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.