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Description
See the like/dislike ratio on YouTube, per-channel sentiment history, list badges, and rated-history CSV export. See YouTube sentiment before you commit your time. Zovo Ratio restores estimated dislike counts through the open Return YouTube Dislike API and adds a clear inline like/dislike ratio under the player. Everything works right after install: no account, no setup, no license key needed for the core experience. WHAT YOU GET AT NO COST - An inline like/dislike ratio bar under every video player, colored thumbs, and compact or full number formats. - Estimated dislike counts on the videos you open, supplied by the community-run Return YouTube Dislike API. - Settings for color themes, number display, and vote submission, all stored locally on your device. PRO FEATURES, ONE UNLOCK A license key activates the full toolkit for your channel work: - A recent sentiment sparkline for each channel so you can see how reception trends over time. - Quick sentiment badges on Watch Later and Subscriptions lists, so a poor ratio is visible before you click. - Export of your own rated-video history as CSV, generated entirely on your device. Licence verification happens only when you click Activate, and the grant is checked with Zovo's verification service. The core ratio features never require a licence and never phone home. YOUR DATA STAYS LOCAL Channel and rated histories live in extension storage on this device. CSV files are generated locally. Browsing history is never sent to Zovo. The only network calls are to the Return YouTube Dislike API for vote estimates and, on activation, to the licence endpoint. Data is provided by Return YouTube Dislike and is subject to estimation. Attribution: https://returnyoutubedislike.com Open source under GPL-3.0: https://github.com/theluckystrike/zovo-ratio WHY A RATIO MATTERS Tutorial quality, product reviews, and news clips are easier to judge with the full picture. The ratio bar puts the community verdict next to the like count, and the sentiment tools summarize whole channels at a glance, so your watch time goes to videos worth it. PRIVACY AND PERMISSIONS, PLAINLY - storage: saves display settings, bounded channel and rated history, cached list sentiment, and licence state locally on your device. - youtube.com host access: reads video IDs and adds the ratio bar, sparkline, and sentiment badges on YouTube pages you visit. - returnyoutubedislikeapi.com host access: retrieves dislike estimates and preserves optional upstream vote submission. - Supabase host access: verifies a licence key only after you click Activate. Nothing is collected, sold, or shared. There is no account system, no analytics, and no background tracking of any kind. SUPPORT AND SOURCE The complete modified source and change history are public under the GPL-3.0 licence. The paid wall is a distribution convenience, not a technical restriction: you can obtain, modify, and rebuild the full source yourself. Questions and issues go through the project repository.