# Measure Overlay

> Drop a measuring overlay onto the current tab: precise cursor position readout and rectangle dimensions for layout work.

Canonical page: [https://chrome-stats.com/d/measure-overlay](https://chrome-stats.com/d/measure-overlay)

## Overview

- **ID:** `measure-overlay`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** fibs.wanders
- **Category:** appearance,tabs
- **Version:** 5.0
- **Last updated:** 2026-08-13
- **First published:** 2026-08-10
- **Size:** 16 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/measure-overlay/)

## Rankings

- #133,350 — Overall
- #172 — overlay

## Permissions and access

### Permissions

- `activeTab`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- This extension was recently updated in the past month. New updates may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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- [QA overlays](https://chrome-stats.com/d/qa-overlays)

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Source: [Chrome-Stats](https://chrome-stats.com/d/measure-overlay)