SpoilerCub – Chrome extension to block YouTube spoilers

Summary: SpoilerCub is a Chrome extension that blocks YouTube videos, Shorts, comments, and search results containing spoilers for games, movies, and TV shows by hiding thumbnails and replacing titles with warnings. It uses user-added keywords to filter content across YouTube’s home feed, search, Shorts, playlists, and comments.

What it does

SpoilerCub scans YouTube content for user-defined spoiler keywords and hides thumbnails and titles instead of removing content. It protects multiple YouTube sections including recommendations, Shorts, and comments to prevent spoilers before they appear.

Who it's for

It is designed for users who want to avoid spoilers on YouTube without blocking the entire platform or excessive content.

Why it matters

SpoilerCub addresses the problem of unexpected spoilers appearing in YouTube thumbnails, titles, and comments, allowing users to browse safely without missing content.