---
title: "None – Chrome extensions from this developer"
description: "1 Chrome extension from the publisher account of None, with 507 users in all."
url: "https://extensiontracker.com/developer/u490cfd2f358346c89d6cf81da62987b1"
---

# None

- Extensions: 1
- Users in all: 507
- First published: 2026-03-19
- Publisher account: `u490cfd2f358346c89d6cf81da62987b1`

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 |
| --- | --- | ---: | ---: | --- | --- |
| [QuietTube: Autoplay Blocker for YouTube](https://extensiontracker.com/extension/inofimhicodhocnpapfbkojppongjioi) | Functionality & UI | 507 | 5.00 | 2026-07-05 | Live |

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/developer/u490cfd2f358346c89d6cf81da62987b1>. 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`.