# Extraneous

> Bloat for Invidious: DeArrow integration, watched video markers, filters and more.

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

## Overview

- **ID:** `extraneous`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** sysrqmagician
- **Category:** privacy-security,games-entertainment
- **Daily users:** 13
- **Rating:** 5.00 / 5 (3 ratings)
- **Version:** 1.10.2
- **Last updated:** 2026-03-28
- **First published:** 2024-12-31
- **Size:** 31 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/extraneous/)
- **Website:** [https://github.com/sysrqmagician/extraneous/issues](https://github.com/sysrqmagician/extraneous/issues)

## Description

A WebExtension for Invidious, written in TypeScript using Deno.

<b>Modules</b>
Each module can be toggled and configured individually.

<i>Watched</i>
- Keeps track of videos you've watched and highlights them using a user-defined CSS filter
- Video IDs are stored in your browser's local storage

<i>Hide Videos</i>
- Set a minimum duration for videos to be shown
- Set a regular expression to filter out videos with unwanted titles

<i>DeArrow</i>
- Reliably retrieves clickbait-free thumbnails and titles from DeArrow.
- Opt-in to show untrusted titles.
- Option to hide thumbnails until replacements are fetched.
- Option to highlight replaced titles

<i>Additional Links</i>
- Display prefilled cobalt.tools download link in sidebar

<b>Why access to all sites?</b>
With Invidious instances being community-hosted, it's not feasible to manually add instances to the list of allowed sites and remain up-to-date. Instead, Extraneous runs on all pages, checking if they are an Invidious page. Unless a site is trying to look like an Invidious instance to the add-on, Extraneous code should not run on unrelated sites beyond this check.

## Rankings

- #29,619 — Overall
- #221 — extract

## Permissions and access

### Permissions

- `storage`
- `*://inv.nadeko.net/*`

### 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).

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