# PDF Highlighter

> Open local and online PDFs in PDF Highlighter to highlight, annotate, edit, translate, sign, search, and organise documents.

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

## Overview

- **ID:** `pdf-highlighter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** PDF Highlighter
- **Category:** other
- **Daily users:** 1
- **Weekly downloads:** 2
- **Version:** 1.3.2
- **Last updated:** 2026-08-13
- **First published:** 2026-08-10
- **Size:** 321 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/pdf-highlighter/)
- **Website:** [https://pdfhighlighter.io/](https://pdfhighlighter.io/)

## Description

Open local PDF files and direct PDF links in the PDF Highlighter web app.

PDF Highlighter helps you:
- Highlight text and add comments
- Draw, add text, shapes, signatures, and images
- Search documents and navigate highlights
- Translate selected text and use optional AI tools
- Open PDF links from the context menu or automatically

Local PDFs up to 100 MB are transferred directly from the extension to the PDF Highlighter tab. The extension does not upload document contents to its own server. Automatic PDF opening is optional and can be disabled at any time.

## Rankings

- #111,963 — Overall
- #154 — highlighter

## Permissions and access

### Permissions

- `contextMenus`
- `storage`
- `webNavigation`
- `webRequest`

### Host permissions

- `http://*/*`
- `https://*/*`
- `file:///*`

### Content script matches

- `platform.pdfhighlighter.io`
- `app.pdfhighlighter.io`
- `pdfhighlighter.io`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High 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 was recently updated in the past month. New updates 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/pdf-highlighter)