---
title: "MarkGPT – Bookmark Messages in ChatGPT, Claude & Gemini – Chrome extension stats, history and permissions"
description: "113 users, rated 4.90 by 20 people. Version 1.1.0, updated 2026-04-15. Requests 5 permissions."
url: "https://extensiontracker.com/extension/eimdlmdbonaemjmfnnnknjejlijpmcij"
---

# MarkGPT – Bookmark Messages in ChatGPT, Claude & Gemini

Live in the Chrome Web Store.

- Users: 113
- Rating: 4.90 from 20 ratings
- Last checked: 2026-09-27 00:31 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #62,866 of 264,703 live extensions
- Rank in Workflow & Planning: #13,602 of 44,474

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Bookmark and quickly jump to important messages in ChatGPT, Claude, and Gemini conversations.

- Extension ID: `eimdlmdbonaemjmfnnnknjejlijpmcij`
- Developer: [Sijomon P S](https://extensiontracker.com/developer/ue2e01f8e6055fff26010726ebb61f05c)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2026-03-31
- Last updated: 2026-04-15
- Version: `1.1.0`
- Size: 29.23 KiB
- Minimum Chrome: 114
- Languages (1): English
- Support page: `https://github.com/sijomonps/MarkGPT/issues`
- Chrome Web Store: <https://chromewebstore.google.com/detail/markgpt-%E2%80%93-bookmark-messag/eimdlmdbonaemjmfnnnknjejlijpmcij>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Feimdlmdbonaemjmfnnnknjejlijpmcij>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 113 | 4.90 | 20 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://chat.openai.com/*`: chat.openai.com
- `https://chatgpt.com/*`: chatgpt.com
- `https://claude.ai/*`: claude.ai
- `https://gemini.google.com/*`: gemini.google.com

### Sites where it runs scripts

- `https://chat.openai.com/*`: chat.openai.com
- `https://chatgpt.com/*`: chatgpt.com
- `https://claude.ai/*`: claude.ai
- `https://gemini.google.com/*`: gemini.google.com

### Browser features

- `storage`: Save settings and data in your browser

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 00:31 UTC; next check around 2026-10-21.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “MarkGPT – Bookmark Messages in ChatGPT, Claude & Gemini” (eimdlmdbonaemjmfnnnknjejlijpmcij). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/eimdlmdbonaemjmfnnnknjejlijpmcij. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_eimdlmdbonaemjmfnnnknjejlijpmcij,
  title   = {MarkGPT – Bookmark Messages in ChatGPT, Claude & Gemini (eimdlmdbonaemjmfnnnknjejlijpmcij)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/eimdlmdbonaemjmfnnnknjejlijpmcij},
  urldate = {2026-09-28}
}
```

---

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