---
title: "Master Tools – Chrome extensions from this developer"
description: "9 Chrome extensions from the publisher account of Master Tools, with 204,166 users in all."
url: "https://extensiontracker.com/developer/u37e0343e08ab47a8ceb8d56277b6688d"
---

# Master Tools

- Extensions: 9
- Users in all: 204,166
- First published: 2024-02-26
- Publisher account: `u37e0343e08ab47a8ceb8d56277b6688d`

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 |
| --- | --- | ---: | ---: | --- | --- |
| [Proxy SwitchyOmega (V3)](https://extensiontracker.com/extension/hihblcmlaaademjlakdpicchbjnnnkbo) | Developer Tools | 100,000 | 3.39 | 2026-03-26 | Live |
| [Location Guard (V3)](https://extensiontracker.com/extension/hhnhplojcganfmfimkeboiipphklcbih) | Accessibility | 100,000 | 4.32 | 2025-01-13 | Live |
| [Global Speed Accelerator](https://extensiontracker.com/extension/hjcjcaenhbolefelealgfopghmbpkjoc) | Accessibility | 1,000 | 5.00 | 2024-02-26 | Live |
| [h264ify (V3)](https://extensiontracker.com/extension/cahkoilpkmfhmjeejjkldgkfccjnogam) | Workflow & Planning | 1,000 | 4.00 | 2024-08-07 | Live |
| [SEO META in 1 CLICK (V3)](https://extensiontracker.com/extension/jcbeebppcfcminjgfhkljdnjkfkfjopk) | Developer Tools | 841 | 5.00 | 2024-08-15 | Live |
| [ChatGPT Assistant - GPT Search](https://extensiontracker.com/extension/gjfkjdaeefjopkbbdbbbmjkmopjpkakn) | Workflow & Planning | 546 | 5.00 | 2025-02-15 | Live |
| [Dumbload (Free Video Downloader)](https://extensiontracker.com/extension/nlkboikdhpgaioegmabjejeheblefoni) | Tools | 389 | 3.00 | 2024-10-01 | Live |
| [JSON Viewer](https://extensiontracker.com/extension/lbigodiljbelalmflhlapgiclaieahae) | Developer Tools | 341 | 5.00 | 2025-01-29 | Live |
| [Youtube Ad Cleaner](https://extensiontracker.com/extension/bohimcnlojifnafbcgkemplffikabjam) | Workflow & Planning | 49 | 3.67 | 2025-08-18 | Live |

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/developer/u37e0343e08ab47a8ceb8d56277b6688d>. 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`.