Side Comments for YouTube + Window Fill
Overview
Read YouTube comments and recommended videos beside the video. Windowed fullscreen on any site, plus volume boost and speed control.
Read the comments while you watch. On YouTube, Side Comments puts the comments and recommended videos in side panels right beside the video, so you never have to scroll away, pause or shrink the picture to see what people are saying or what to watch next. It also gives every video a windowed fullscreen mode: the video fills your browser window instead of your whole monitor, so you get a big, clean picture while your tabs, taskbar and other windows stay right where they are. Volume boost up to 600%, playback speed from 0.25x to 4x and picture-in-picture are built into the same clean toolbar. COMMENTS AND RECOMMENDED VIDEOS BESIDE THE VIDEO • Comments sidebar: move your mouse to the left edge, or scroll on the left side, to read comments while the video keeps playing • Recommended videos sidebar: move to the right edge to see what to watch next • The panels slide away as soon as you move back to the video, so the picture stays clean • Set the opacity of each panel from 5% to 100% • Show, hide or fade the player's control bar for a cleaner picture • Turn each panel on or off from the YouTube menu on the toolbar WINDOWED FULLSCREEN FOR YOUTUBE AND ANY SITE • Fill Window: hover the video, click Fill Window, and it fills your browser window, not your monitor • Easy exit: press Esc, double click the video or click Exit Window • Real fullscreen too: one click when you do want the whole screen • Zoom to Fill and Stretch to Fill: remove black bars by zooming or stretching the picture • Works with theater mode, Shorts and embedded players on other sites • Smart letterboxing: the video stays centered and resizes with your window • Keyboard shortcut: press Alt+Shift+F, or click the extension icon, to fill the window with the main video on the page VOLUME BOOST UP TO 600% • Make quiet videos louder, from 0% to 600%, with a built in limiter to reduce distortion • One click presets: 0%, 100%, 200%, 400% and 600% • If a site blocks boosting directly, right click the page and choose Volume Boost (up to 600%) PLAYBACK SPEED FROM 0.25x TO 4.00x • Slider, fine steps and one click presets: 1.00x, 1.50x, 2.00x, 3.00x and 4.00x • Your speed is remembered and applied to every video, so you only set it once ONE CLEAN, CUSTOMIZABLE TOOLBAR • Hover any video to show a sleek toolbar that matches modern video players. It fades away when you stop moving • Picture-in-picture: pop the video into a floating window • Optional player controls: rewind 10 seconds, play and pause, forward 10 seconds and a timeline • Toolbar settings: switch any button on or off, or reset everything to defaults • Toolbar opacity from 5% to 100%, so the controls can be as subtle as you like • Ignores background videos and hover previews, so only real players get a toolbar WORKS ON YouTube, plus most websites with a standard HTML5 video player: video sharing sites, news sites, course and learning platforms, blogs and embedded videos. Major subscription streaming services, which already have their own full window player, are left untouched. PRIVACY This extension does not collect, store or send any personal data. There are no accounts, no tracking and no analytics. It only saves your own settings (toolbar buttons, opacity, playback speed and side panel preferences) locally in your browser. WHY PEOPLE USE IT • Read comments and pick the next video without leaving the one you are watching • Watch on a second monitor or in half of the screen, with the video as big as the window • Make small embedded players large without going fullscreen • Boost quiet videos and speed up lectures, podcasts and long videos • Keep chat, notes or a tutorial visible while a video plays Enjoying the extension? You can support development with the coffee button in the toolbar. Thank you! Side Comments for YouTube + Window Fill is an independent extension and is not affiliated with, endorsed by or sponsored by Google or YouTube. YouTube is a trademark of Google LLC.
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Details
- Version1.1.0
- UpdatedOctober 6, 2026
- Size35.98KiB
- LanguagesEnglish
- Developer
Email
kahoonamonkeyman@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site