---
title: "Jean-Rémi Larcelet-Prost – Chrome extensions from this developer"
description: "4 Chrome extensions from the publisher account of Jean-Rémi Larcelet-Prost, with 22,246 users in all."
url: "https://extensiontracker.com/developer/u9d20b2aafeecc9235bd852562f287e7e"
---

# Jean-Rémi Larcelet-Prost

- Extensions: 4
- Users in all: 22,246
- First published: 2026-01-28
- Publisher account: `u9d20b2aafeecc9235bd852562f287e7e`

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 |
| --- | --- | ---: | ---: | --- | --- |
| [Claude Limit & Usage Tracker + Fable 5 - ClaudeKarma](https://extensiontracker.com/extension/hoffoefgnaakaafdfjpnjdkclhjkebjn) | Tools | 20,000 | 4.72 | 2026-11-01 | Live |
| [ChatGPT Usage Tracker - GPTKarma](https://extensiontracker.com/extension/hkkiomlfpodkolhmgcfonbkblmmpcacf) | Tools | 2,000 | 2.33 | 2026-07-10 | Live |
| [Grok Usage Tracker - GrokKarma](https://extensiontracker.com/extension/plnmapfgekfdpfehgcjdhmgnibakkaif) | Tools | 229 | 1.00 | 2026-07-07 | Live |
| [TabKarma](https://extensiontracker.com/extension/ippejjjjmnlihfcijedeoejefombjlpc) | Well-being | 17 | – | 2026-02-03 | Live |

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/developer/u9d20b2aafeecc9235bd852562f287e7e>. 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`.