---
title: "スペースチェッカー – Chrome extension stats, history and permissions"
description: "217 users, no ratings yet. Version 1.0, updated 2024-04-17. Requests 1 permission."
url: "https://extensiontracker.com/extension/ddmcgdmbjicfihmhnlagbhcfohiogkde"
---

# スペースチェッカー

Live in the Chrome Web Store.

- Users: 217
- Rating: no ratings yet
- Last checked: 2026-09-26 23:41 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #48,328 of 264,703 live extensions
- Rank in Developer Tools: #4,222 of 27,615

## The listing

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

Summary from the listing:

> Webページ内の半角/全角スペースを含む行をハイライト表示します

- Extension ID: `ddmcgdmbjicfihmhnlagbhcfohiogkde`
- Developer: [myktoshihide](https://extensiontracker.com/developer/ub2c8904d1d1597edc02f49a33e6441cc)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2024-04-17
- Last updated: 2024-04-17
- Version: `1.0`
- Size: 101 KiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Website: `front-endo.com`
- Support page: `https://twitter.com/toshi_hide__`
- Chrome Web Store: <https://chromewebstore.google.com/detail/%E3%82%B9%E3%83%9A%E3%83%BC%E3%82%B9%E3%83%81%E3%82%A7%E3%83%83%E3%82%AB%E3%83%BC/ddmcgdmbjicfihmhnlagbhcfohiogkde>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fddmcgdmbjicfihmhnlagbhcfohiogkde>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 217 | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## 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

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Image Insights](https://extensiontracker.com/extension/lajdehngmbgcfgcanhmhklfidbjniomo) | 17 | – | – | Developer Tools |
| [GitHubに草を生やそう](https://extensiontracker.com/extension/bdneihgpplokbhaafbapjmimpppjdmmo) | 6 | – | – | Entertainment |
| [【GitHub Actions】デプロイ完了お知らせくん](https://extensiontracker.com/extension/ddjhakagonefefceckpjcjoddgdodfkj) | 5 | – | – | Tools |
| [YOHAKU](https://extensiontracker.com/extension/gekcmdclpldjkemccgpedbpmidjcgcng) | 4 | – | – | Developer Tools |

All 5 extensions by [myktoshihide](https://extensiontracker.com/developer/ub2c8904d1d1597edc02f49a33e6441cc).

## 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 2026-09-26 23:41 UTC; next check around 2026-10-24.

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

## Cite this page

Extension Tracker. “スペースチェッカー” (ddmcgdmbjicfihmhnlagbhcfohiogkde). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/ddmcgdmbjicfihmhnlagbhcfohiogkde. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_ddmcgdmbjicfihmhnlagbhcfohiogkde,
  title   = {スペースチェッカー (ddmcgdmbjicfihmhnlagbhcfohiogkde)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/ddmcgdmbjicfihmhnlagbhcfohiogkde},
  urldate = {2026-09-28}
}
```

---

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