# Annotator - Web & PDF Annotation

> Collaboratively annotate, highlight, and tag web pages and PDF documents.

Canonical page: [https://chrome-stats.com/d/ai-annotator-web-pdf](https://chrome-stats.com/d/ai-annotator-web-pdf)

## Overview

- **ID:** `ai-annotator-web-pdf`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Visual Paradigm Online
- **Category:** search-tools,bookmarks,social-communication
- **Daily users:** 2
- **Weekly downloads:** 2
- **Version:** 1.1733.0.44
- **Last updated:** 2025-12-31
- **First published:** 2025-12-22
- **Size:** 4.91 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ai-annotator-web-pdf/)
- **Website:** [https://online.visual-paradigm.com/support/](https://online.visual-paradigm.com/support/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/ai-annotator-web-pdf/privacy/](https://addons.mozilla.org/firefox/addon/ai-annotator-web-pdf/privacy/)

## Description

Empower your research with Hypothesis. This easy-to-use digital highlighter lets you annotate any webpage or PDF instantly. Organize sources with tags, save notes in the margins, and collaborate in private groups. No technical skills needed!

Coming Soon: AI-powered features to summarize long papers and provide smart research insights. Join thousands of researchers making the web their personal notebook. Streamline your workflow and start building your knowledge base today!

## Rankings

- #70,286 — Overall
- #189 — notebook
- #233 — notion

## Permissions and access

### Permissions

- `scripting`
- `storage`
- `tabs`
- `cookies`

### Host permissions

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High 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).

## Similar extensions and apps

- [Annotiq: Web Highlighter & Notes](https://chrome-stats.com/d/annotiq-web-highlighter-notes) — 1 users, 5.00 / 5
- [Highlite - Draw on Web Pages](https://chrome-stats.com/d/highlite) — 65 users, 5.00 / 5
- [Annotator](https://chrome-stats.com/d/annotator) — 30 users, 5.00 / 5
- [Unofficial Hypothesis extension](https://chrome-stats.com/d/unofficial-hypothesis) — 538 users, 4.92 / 5
- [Web Highlights: PDF & Web Highlighter + Notes](https://chrome-stats.com/d/web-highlights-pdf-web-highlig) — 2,037 users, 4.84 / 5
- [Cluing - Shareable Notes on Web Pages](https://chrome-stats.com/d/collabwriting-shareable-notes) — 39 users, 5.00 / 5
- [Annoto](https://chrome-stats.com/d/annoto) — 2 users
- [PDF Annotator](https://chrome-stats.com/d/pdf-annotator-iue) — 2 users
- [PDF Annotator and Highlighter](https://chrome-stats.com/d/pdf-annotator-and-highlighter) — 1 users, 1.00 / 5
- [WuCai - Highlight, Annotation and Note](https://chrome-stats.com/d/wucai) — 448 users, 4.69 / 5
- [PDF Annotation Tool](https://chrome-stats.com/d/pdf-annotation-tool) — 55 users
- [PDF Annotator](https://chrome-stats.com/d/pdf-annotator)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/ai-annotator-web-pdf)
