---
title: "James de Klerk – Chrome extensions from this developer"
description: "2 Chrome extensions from the publisher account of James de Klerk, with 50,010 users in all."
url: "https://extensiontracker.com/developer/uadb14c09e70300ffc7ca9d07dcab6a8f"
---

# James de Klerk

- Extensions: 2
- Users in all: 50,010
- First published: 2018-01-08
- Publisher account: `uadb14c09e70300ffc7ca9d07dcab6a8f`

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 |
| --- | --- | ---: | ---: | --- | --- |
| [YouTube Speed Controls](https://extensiontracker.com/extension/naalfmaaomhjpbndelnlijacdniggpjn) | Workflow & Planning | 50,000 | 3.79 | 2025-11-03 | Live |
| [Azure Log Formatter (Beta)](https://extensiontracker.com/extension/dlpkkkcbichbeelomkgclhcaabllfhpj) | Developer Tools | 10 | – | 2025-03-26 | Live |

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/developer/uadb14c09e70300ffc7ca9d07dcab6a8f>. 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`.