YouTube Slim Sidebar
YouTube Slim Sidebar is a Firefox extension that reduces the width of the recommendation sidebar beside YouTube videos on desktop. It works automatically on YouTube without changing the video player and does not collect data or track users.
Overview
6 featuresYouTube Slim Sidebar is a Browser DevTools & extensions project. It focuses on reducing the width and visual clutter of YouTube’s recommendation sidebar while keeping video suggestions visible. It is built as a consumer product for youTube viewers using Firefox on desktop. YouTube Slim Sidebar costs nothing to use. It runs on the web and embeddable surfaces.
Behind YouTube Slim Sidebar is Nostrum, and it first shipped in 2026. Key capabilities include narrower sidebar, compact interface, and Automatic YouTube support. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
- Narrower sidebar
- Compact interface
- Automatic YouTube support
- Unchanged video player
- No data collection
- No tracking
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed13 Sep · 13:42 UTCBack to the old sidebar on YouTube verified via Firefox Add-onsSource: Firefox Add-ons · Open
Frequently asked questions about YouTube Slim Sidebar
- What is YouTube Slim Sidebar?
- YouTube Slim Sidebar focuses on reducing the width and visual clutter of YouTube’s recommendation sidebar while keeping video suggestions visible. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who is YouTube Slim Sidebar for?
- YouTube Slim Sidebar is a consumer product built for youTube viewers using Firefox on desktop.
- Does YouTube Slim Sidebar have a free plan?
- Yes — YouTube Slim Sidebar is free to use.
- What platforms does YouTube Slim Sidebar run on?
- YouTube Slim Sidebar runs on the web and embeddable surfaces.
- Is YouTube Slim Sidebar still active?
- Unverified. YouTube Slim Sidebar has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
- What are alternatives to YouTube Slim Sidebar?
- Similar projects tracked by PulseGate include YouTube Simplified, Sidesy, and YouTube Redux.YouTube SimplifiedSidesyYouTube Redux
- Who makes YouTube Slim Sidebar?
- YouTube Slim Sidebar is developed by Nostrum.
- How long has YouTube Slim Sidebar been around?
- YouTube Slim Sidebar first shipped in 2026.
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