# VertiScript: Vertical Reading Mode

> Transform text for vertical reading with customizable features for East Asian languages

Canonical page: [https://chrome-stats.com/d/vertiscript-vertical-reading](https://chrome-stats.com/d/vertiscript-vertical-reading)

## Overview

- **ID:** `vertiscript-vertical-reading`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** 99OK
- **Category:** web-development
- **Daily users:** 2
- **Version:** 1.0
- **Last updated:** 2024-08-25
- **First published:** 2024-08-24
- **Size:** 22 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/vertiscript-vertical-reading/)

## Description

Transform text for vertical reading
Toggle vertical reading mode on and off
Customize font size
Adjust line height
Choose text and background colors
Select reading direction (right-to-left or left-to-right)
Exclude specific HTML tags from vertical transformation
Rotate images, videos, and iframes for better vertical layout
Options page for easy customization
Persistent settings across browser sessions

## Rankings

- #65,322 — Overall
- #227 — script

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `<all_urls>`

### 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).

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Source: [Chrome-Stats](https://chrome-stats.com/d/vertiscript-vertical-reading)