---
title: "9h - History Visualizer – Chrome extension stats, history and permissions"
description: "No user count, no ratings yet. Version 1.0, updated 2025-10-14. Requests 6 permissions."
url: "https://extensiontracker.com/extension/mmdbdnhpdmngjjiihkhdfdmpagafnhob"
---

# 9h - History Visualizer

Live in the Chrome Web Store.

- Users: the store shows no user count
- Rating: no ratings yet
- Last checked: 2026-09-27 05:46 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)

## The listing

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

Summary from the listing:

> Visualize your top 9 most visited sites. View by day, month, or year. Delete site data with one click.

- Extension ID: `mmdbdnhpdmngjjiihkhdfdmpagafnhob`
- Developer: [luckyyyj77](https://extensiontracker.com/developer/ufe8b6abee65be48bad59e0e910d5af59)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2025-10-14
- Last updated: 2025-10-14
- Version: `1.0`
- Size: 34.68 KiB
- Minimum Chrome: 88
- Languages (1): English (United States)
- Privacy policy: `https://gist.github.com/luckyyyj77-wq/45893adbdf371708d2df27f10a5eaaf8`
- Chrome Web Store: <https://chromewebstore.google.com/detail/9h-history-visualizer/mmdbdnhpdmngjjiihkhdfdmpagafnhob>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=mmdbdnhpdmngjjiihkhdfdmpagafnhob>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | – | – | – |

## 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.

**Every website:** it can read and change your data on all the sites you visit.

### Sites

- `http://*/*`: Every website
- `https://*/*`: Every website

### Browser features

- `browsingData`: Clear your browsing data
- `cookies`: Read and change cookies on the sites it can reach
- `history`: Read and change your browsing history
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Multi Viewer](https://extensiontracker.com/extension/fijaamompommpbhdflokpahkdeaclgid) | 142 | – | – | Tools |
| [YouTube Comment Overlay](https://extensiontracker.com/extension/pkahlihfpcfdnaeanccehnkakjgcljpa) | 8 | – | – | Communication |
| [W\_REC Quick](https://extensiontracker.com/extension/jgdcdnlcmijlklbdahcfmnfoeogcpipo) | 7 | – | – | Tools |

All 4 extensions by [luckyyyj77](https://extensiontracker.com/developer/ufe8b6abee65be48bad59e0e910d5af59).

## 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 05:46 UTC; next check around 2026-10-03.

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

## Cite this page

Extension Tracker. “9h - History Visualizer” (mmdbdnhpdmngjjiihkhdfdmpagafnhob). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/mmdbdnhpdmngjjiihkhdfdmpagafnhob. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_mmdbdnhpdmngjjiihkhdfdmpagafnhob,
  title   = {9h - History Visualizer (mmdbdnhpdmngjjiihkhdfdmpagafnhob)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/mmdbdnhpdmngjjiihkhdfdmpagafnhob},
  urldate = {2026-09-28}
}
```

---

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