# Cubox: AI Reader & Highlight Notes

> Save web pages and snippets to your Cubox.

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

## Overview

- **ID:** `cubox`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Cubox
- **Category:** bookmarks
- **Daily users:** 309
- **Weekly downloads:** 5
- **Rating:** 4.36 / 5 (11 ratings)
- **Version:** 7.6.1
- **Last updated:** 2026-06-26
- **First published:** 2021-01-29
- **Size:** 5.82 MB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/cubox/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/cubox/privacy/](https://addons.mozilla.org/firefox/addon/cubox/privacy/)

## Description

Cubox is an AI-powered browser extension designed to enhance your web reading and note-taking experience. With just one click, you can save entire web pages or specific snippets including text, images, and links. Its smart capture feature allows multi-selection and batch clipping, making information gathering efficient.

Beyond saving content, Cubox enables you to highlight text directly on webpages, customize highlight colors, and add notes for better context. The AI Insight feature summarizes articles, answers key questions, and performs ghost highlighting to spotlight important sections automatically. Saved content is intelligently tagged and synced across all your devices, ensuring seamless access and organization. Explore more features on the official Cubox website and boost your productivity with smarter web learning.

## Rankings

- #6,569 — Overall
- #220 — Bookmarks
- #30 — linotes
- #47 — highlighter
- #71 — note
- #76 — reader

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `contextMenus`
- `search`

### Host permissions

- `https://*.cubox.pro/`
- `https://*.cubox.cc/`

### Content script matches

- `*`

## 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).

## Review summary

### Pros

- Handy tool for reading
- Useful for highlighting notes
- Convenient floating button

### Cons

- Conflicts with default browser shortcut keys
- Interferes with full screen YouTube videos

## Similar extensions and apps

- [SmartClip](https://chrome-stats.com/d/smartclip) — 18 users, 5.00 / 5
- [WuCai - Highlight, Annotation and Note](https://chrome-stats.com/d/wucai) — 434 users, 4.69 / 5
- [myClipr — Bookmark Manager](https://chrome-stats.com/d/myclipr-bookmark-manager)
- [Qind AI Web Clipper](https://chrome-stats.com/d/qind-ai-web-clipper)
- [Cluing - Shareable Notes on Web Pages](https://chrome-stats.com/d/collabwriting-shareable-notes) — 39 users, 5.00 / 5
- [bcMarks — Article Highlighter](https://chrome-stats.com/d/bcmarks-article-highlighter) — 1 users
- [Quick Note AI Helper](https://chrome-stats.com/d/quick-note-ai-helper)
- [NoteSnap AI](https://chrome-stats.com/d/notesnap-ai) — 1 users
- [Clipio](https://chrome-stats.com/d/clipio) — 1 users
- [Content Highlighter](https://chrome-stats.com/d/content-highlighter)
- [Text Snacker](https://chrome-stats.com/d/text-snacker) — 1 users
- [oneClipper oneNote web clipper](https://chrome-stats.com/d/oneclipper-onenote-web-clipper) — 2,001 users, 3.14 / 5

---

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