# PDF.js with VimiumC

> Replace Firefox's built-in PDF viewer with a custom PDF.js build which supports vimiumC (another firefox extension)

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

## Overview

- **ID:** `pdf-js-with-vimiumc`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** sxlxc
- **Category:** other
- **Daily users:** 16
- **Weekly downloads:** 4
- **Version:** 1.0
- **Last updated:** 2025-10-06
- **First published:** 2025-10-03
- **Size:** 5.40 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/pdf-js-with-vimiumc/)

## Description

This extension hijacks pdf links and show pdf files with a customed PDF.js build. The behavious should be the same as filefox's built-in pdf reader. The only difference is that this extension supports vimiumC extension(<a href="https://addons.mozilla.org/en-US/firefox/addon/vimium-c/" rel="nofollow">https://addons.mozilla.org/en-US/firefox/addon/vimium-c/</a>)

## Rankings

- #27,351 — Overall

## Permissions and access

### Permissions

- `webRequest`
- `webRequestBlocking`
- `<all_urls>`
- `tabs`

## Safety

- **Risk impact:** High 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/pdf-js-with-vimiumc)