---
title: "Mr. Dummy - Create Perfect Screens for Demos & Guides – Chrome extension stats, history and permissions"
description: "No user count, no ratings yet. Version 1.0.17, updated 2025-06-02. Requests 5 permissions."
url: "https://extensiontracker.com/extension/omkdpalbokcgcgkdleblbddmdbajlknk"
---

# Mr. Dummy - Create Perfect Screens for Demos & Guides

Live in the Chrome Web Store.

- Users: the store shows no user count
- Rating: no ratings yet
- Last checked: 2026-09-27 07:04 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:

> Build picture-perfect screens for demo videos and guide images — right inside your browser.

- Extension ID: `omkdpalbokcgcgkdleblbddmdbajlknk`
- Developer: [testorian](https://extensiontracker.com/developer/u87a1df2df6cb706227d89731ca80f198)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2025-04-20
- Last updated: 2025-06-02
- Version: `1.0.17`
- Size: 3.1 MiB
- Minimum Chrome: 88
- Languages (2): English, 한국어
- Privacy policy: `https://233life.tistory.com/123`
- Chrome Web Store: <https://chromewebstore.google.com/detail/mr-dummy-create-perfect-s/omkdpalbokcgcgkdleblbddmdbajlknk>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fomkdpalbokcgcgkdleblbddmdbajlknk>

## 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 where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `sidePanel`: Show a side panel
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs
- `webNavigation`: Follow your browsing, page by page

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [네이버 블로그·카페 댓글 추첨기](https://extensiontracker.com/extension/ngngagacgffclgphdljaijkmnlicpjam) | 277 | 5.00 | 3 | Tools |
| [Korrectly - 한국어 맞춤법 검사기](https://extensiontracker.com/extension/bblnbbhgemlmbmlhijmpnkclfnhfchpm) | 92 | – | – | Tools |
| [QAnary: Reliable QA Automation Simplified](https://extensiontracker.com/extension/bfejhdiigjfhoimhfppkhhkekkjllmid) | 8 | – | – | Tools |
| [Drag'on](https://extensiontracker.com/extension/mopaeamchjcfknhpieccdekojelhjgkg) | – | – | – | Education |

All 5 extensions by [testorian](https://extensiontracker.com/developer/u87a1df2df6cb706227d89731ca80f198).

## 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 07:04 UTC; next check around 2026-10-08.

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

## Cite this page

Extension Tracker. “Mr. Dummy - Create Perfect Screens for Demos & Guides” (omkdpalbokcgcgkdleblbddmdbajlknk). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/omkdpalbokcgcgkdleblbddmdbajlknk. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_omkdpalbokcgcgkdleblbddmdbajlknk,
  title   = {Mr. Dummy - Create Perfect Screens for Demos & Guides (omkdpalbokcgcgkdleblbddmdbajlknk)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/omkdpalbokcgcgkdleblbddmdbajlknk},
  urldate = {2026-09-28}
}
```

---

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