---
title: "MarkM – Chrome extensions from this developer"
description: "3 Chrome extensions from the publisher account of MarkM, with 50,501 users in all."
url: "https://extensiontracker.com/developer/u13c1fe145347294b6c02604c61513eb3"
---

# MarkM

- Extensions: 3
- Users in all: 50,501
- First published: 2020-02-29
- Publisher account: `u13c1fe145347294b6c02604c61513eb3`

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 |
| --- | --- | ---: | ---: | --- | --- |
| [Previews (For Twitch & YouTube & Kick)](https://extensiontracker.com/extension/hpmbiinljekjjcjgijnlbmgcmoonclah) | Entertainment | 50,000 | 4.05 | 2026-11-08 | Live |
| [Mouse4 Go-Back Block](https://extensiontracker.com/extension/iidgdkjgmdgkdkjinkdmhannbmghjdgc) | Tools | 492 | 5.00 | 2026-08-23 | Live |
| [Claude Status](https://extensiontracker.com/extension/iojceaomgledlapgeanpekcigmpcgmee) | Tools | 9 | 5.00 | 2026-08-25 | Live |

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/developer/u13c1fe145347294b6c02604c61513eb3>. 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`.