Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of YouTube Slim Sidebar

YouTube Slim Sidebar by Nostrum

YouTube Slim Sidebar reduces the width of the recommendation sidebar on the right of YouTube videos on desktop.

5 (1 review)5 (1 review)
Download Firefox and get the extension
Download file

Extension Metadata

Screenshots
About this extension
YouTube Slim Sidebar reduces the width of the recommendation sidebar on the right side of YouTube videos on desktop.

The extension helps keep the YouTube interface cleaner and less cluttered, without completely removing suggestions. Ideal for focusing on the video while keeping what matters.

Features
  • Reduced width of the recommendation sidebar
  • More compact and balanced interface
  • No changes to the video player
  • Works automatically on YouTube

Privacy
  • No data collection
  • No tracking
  • No unnecessary access

Lightweight, simple, and discreet extension.
Rated 5 by 1 reviewer
Log in to rate this extension
There are no ratings yet

Star rating saved

5
1
4
0
3
0
2
0
1
0
Read 1 review
Permissions and data

Required permissions:

  • Access your data for sites in the youtube.com domain

Required data collection, according to the developer:

  • Website content
Learn more
More information
Version
1.2
Size
7.9 KB
Last updated
an hour ago (Feb 7, 2026)
Related Categories
  • Appearance
License
MIT License
Version History
  • See all versions
Tags
  • social media
  • youtube
Add to collection
Report this add-on
Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version.