---
title: "Page Ruler – Chrome extension stats, history and permissions"
description: "181 users, no ratings yet. Version 1.6.0, updated 2025-11-18. Requests 4 permissions."
url: "https://extensiontracker.com/extension/mlacjjfgihfdkaneboifmbcokgcojefl"
---

# Page Ruler

Live in the Chrome Web Store.

- Users: 181
- Rating: no ratings yet
- Last checked: 2026-09-27 05:43 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #52,202 of 264,702 live extensions
- Rank in Developer Tools: #4,604 of 27,615

## The listing

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

Summary from the listing:

> Measure elements and distances with box mode or draggable ruler. Supports px, cm, inch. Rotate, resize, and customize colors.

- Extension ID: `mlacjjfgihfdkaneboifmbcokgcojefl`
- Developer: [None](https://extensiontracker.com/developer/ua136a75d5582fca502562a3f242be6d7)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2025-09-30
- Last updated: 2025-11-18
- Version: `1.6.0`
- Size: 42.45 KiB
- Minimum Chrome: 88
- Languages (1): English (United States)
- Privacy policy: `https://devtooleasy.com/privacy-policy`
- Chrome Web Store: <https://chromewebstore.google.com/detail/page-ruler/mlacjjfgihfdkaneboifmbcokgcojefl>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=mlacjjfgihfdkaneboifmbcokgcojefl>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 181 | – | – |

## 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
- `notifications`: Show notifications
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Dual Calculator](https://extensiontracker.com/extension/dfplpipfbpfbbkoaoifbjbiblalldnaa) | 14 | – | – | Tools |
| [Color Picker](https://extensiontracker.com/extension/gepignnlpejcamabidcginphloaipbnc) | 9 | – | – | Developer Tools |

All 3 extensions by [None](https://extensiontracker.com/developer/ua136a75d5582fca502562a3f242be6d7).

## 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 05:43 UTC; next check around 2026-10-16.

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

## Cite this page

Extension Tracker. “Page Ruler” (mlacjjfgihfdkaneboifmbcokgcojefl). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/mlacjjfgihfdkaneboifmbcokgcojefl. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_mlacjjfgihfdkaneboifmbcokgcojefl,
  title   = {Page Ruler (mlacjjfgihfdkaneboifmbcokgcojefl)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/mlacjjfgihfdkaneboifmbcokgcojefl},
  urldate = {2026-09-28}
}
```

---

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