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YouTube Grid Search and Preview Player 4.0.3
Grid view layout for YouTube search results and playlists.
Preview player popup in any YouTube page.
Video ratings and resolution info on thumbnails.
About this Add-on
Preview Player: a popup player opens by clicking the play button on video thumbnails in any YouTube page.
Video Info: video ratings and resolution are shown on each video thumbnail.
Updates: Version 4.0.3 is under review; you can install it from the complete version history at the bottom of this page
Announcement: A new userscript version of this addon for YouTube Grid View that runs with Greasemonkey (Firefox), or Tampermonkey (Chrome), or Violentmonkey (Opera), can be found at: https://greasyfork.org/en/scripts/12998-youtube-grid-view