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YouTube - Block Autoplay Preview

Blocks YouTube thumbnail hover previews (WebP & video) while keeping progress bars and play buttons. Works on all pages, no login or permissions needed, runs at document-start.

As of 2025-11-13. See the latest version.

How to install

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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回复【脚本】获取最新教程和防失联地址

How to install

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

🚀 安装遇到问题？关注公众号获取帮助

公众号二维码

扫码关注【爱吃馍】

回复【脚本】获取最新教程和防失联地址
Author
miebie.1412
Ratings
0 0 0
Version
1.1.8
Created
2025-11-11
Updated
2025-11-13
Size
18.6 KB
License
MIT
Applies to

This script blocks YouTube's thumbnail hover previews (animated WebP & video) while preserving progress bars, play buttons, and static thumbnails.

Works on all pages: homepage, subscriptions, watch, search, channels, etc.

No login required - works instantly without any settings.
No permissions. Runs at document-start.

⚙️ Key features:

  • CSS hides moving thumbnails and preview elements
  • JS removes an_webp & video-preview sources, pauses videos
  • MutationObserver + interval ensures complete blocking

✨ What's New (v1.1.8)

  • Fixed Icelandic translation: added (WebP og video)
  • Minor metadata cleanup

⚠️ Note:

  • Remember to enable Developer Mode in Extensions.
  • On Vivaldi, use Violentmonkey for best results.

Install: Tampermonkey or Violentmonkey → Refresh YouTube.

Script chặn hiệu ứng xem trước khi hover thumbnail trên YouTube (ảnh động WebP & video), nhưng giữ nguyên thanh tiến độ, nút play và ảnh tĩnh.

Chạy mọi trang: trang chủ, đăng ký, xem video, tìm kiếm, kênh...

Không cần đăng nhập - hoạt động ngay, không cần chỉnh cài đặt.
Không cần quyền. Chạy ngay khi tải trang.

⚙️ Tính năng chính:

  • CSS ẩn thumbnail động và overlay
  • JS loại bỏ nguồn an_webp & video-preview, dừng video
  • MutationObserver + kiểm tra định kỳ chặn triệt để

✨ Cập nhật mới (v1.1.8)

  • Sửa bản dịch tiếng Iceland: thêm (WebP og video)
  • Dọn dẹp nhỏ trong metadata

⚠️ Lưu ý:

  • Nhớ bật Chế độ nhà phát triển trong mục Tiện ích.
  • Với Vivaldi, dùng Violentmonkey để ổn định nhất.

Cài đặt: Tampermonkey hoặc Violentmonkey → Refresh YouTube.

Result (cursor included) / Kết quả (có con trỏ): After