# SideApp Ultra

> SideApp Ultra Allows You To Open Websites In The Sidebar Or In A New Window.

Canonical page: [https://chrome-stats.com/d/sideapp-ultra](https://chrome-stats.com/d/sideapp-ultra)

## Overview

- **ID:** `sideapp-ultra`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** The UNITY Empire
- **Category:** feeds-news-blogging,social-communication
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 1.0.0.784resigned1
- **Last updated:** 2024-04-26
- **First published:** 2018-09-20
- **Size:** 1.25 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/sideapp-ultra/)

## Description

SideApp Ultra is a powerful Firefox add-on that enables you to open websites in a convenient sidebar or in a separate window. With SideApp Ultra, you can effortlessly multitask and access multiple websites simultaneously without cluttering your main browsing window.

## Rankings

- #130,186 — Overall

## Permissions and access

### Permissions

- `storage`
- `tabs`
- `webRequest`
- `http://*/*`
- `https://*/*`

### Content script matches

- `*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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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- [SideApp For Instagram](https://chrome-stats.com/d/sideapp-for-instagram) — 82 users, 4.67 / 5
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- [SideApp For Vimeo](https://chrome-stats.com/d/sideapp-for-vimeo) — 80 users
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Source: [Chrome-Stats](https://chrome-stats.com/d/sideapp-ultra)