# Multi-Ruler Mode

> Show multiple rulers on the page at once.

Canonical page: [https://chrome-stats.com/d/multi-ruler-mode](https://chrome-stats.com/d/multi-ruler-mode)

## Overview

- **ID:** `multi-ruler-mode`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Kajus
- **Category:** appearance
- **Version:** 1.0
- **Last updated:** 2025-12-12
- **First published:** 2025-12-09
- **Size:** 15 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/multi-ruler-mode/)

## Description

Multi-Ruler Mode allows you to add more than one horizontal ruler, useful for comparing lines or following parallel text columns.

## Rankings

- #143,088 — Overall

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `scripting`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions 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).

## Similar extensions and apps

- [Fixed Ruler Mode](https://chrome-stats.com/d/fixed-ruler-mode)
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- [The Reading Ruler](https://chrome-stats.com/d/the-reading-ruler) — 70 users, 5.00 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/multi-ruler-mode)