---
title: "Localhost Open Graph Checker – Chrome extension stats, history and permissions"
description: "10,000 users, rated 3.75 by 64 people. Version 1.0.5, updated 2023-01-03. Requests 3 permissions."
url: "https://extensiontracker.com/extension/gcbnmkhkglonipggglncobhklaegphgn"
---

# Localhost Open Graph Checker

Live in the Chrome Web Store.

- Users: 10,000
- Rating: 3.75 from 64 ratings
- Last checked: 2026-09-27 01:32 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #5,164 of 264,703 live extensions
- Rank in Developer Tools: #462 of 27,615

## The listing

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

Summary from the listing:

> Check Open Graph on internet unreachable sites like localhost or under basic auth. Temporary host site head tags on hashed url.

- Extension ID: `gcbnmkhkglonipggglncobhklaegphgn`
- Developer: [sat](https://extensiontracker.com/developer/u3557fb2d853f1c7cdc0490ac3a04b89a)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2018-12-27
- Last updated: 2023-01-03
- Version: `1.0.5`
- Size: 10.26 KiB
- Minimum Chrome: 88
- Languages (2): English, 日本語
- Website: `https://local-ogp.firebaseapp.com/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/localhost-open-graph-chec/gcbnmkhkglonipggglncobhklaegphgn>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fgcbnmkhkglonipggglncobhklaegphgn>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 10,000 | 3.75 | 64 |

## 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://local-ogp.firebaseapp.com/`: local-ogp.firebaseapp.com

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `scripting`: Run scripts on sites it can reach

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Simple OAuth2 Client](https://extensiontracker.com/extension/bmcbmjlmbpndabffoeejkfaknnknioej) | 498 | 1.00 | 1 | Developer Tools |

All 2 extensions by [sat](https://extensiontracker.com/developer/u3557fb2d853f1c7cdc0490ac3a04b89a).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-27 01:32 UTC; next check around 2026-09-29.

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

## Cite this page

Extension Tracker. “Localhost Open Graph Checker” (gcbnmkhkglonipggglncobhklaegphgn). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/gcbnmkhkglonipggglncobhklaegphgn. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_gcbnmkhkglonipggglncobhklaegphgn,
  title   = {Localhost Open Graph Checker (gcbnmkhkglonipggglncobhklaegphgn)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/gcbnmkhkglonipggglncobhklaegphgn},
  urldate = {2026-09-28}
}
```

---

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