YouTube Chapter Readability Overlay (toggle + blur) JS - Adds a semi-transparent (and optionally blurred) black overlay over the bottom ~20% of the YouTube player when controls are visible. Toggle modes with Ctrl+O. 作者 jdprgm 今日安裝 0 安裝總數 2 評價 0 0 0 建立日期 2025-08-12 更新日期 2025-08-12