Table of Contents
Turn Off the Lights Browser Extension version 4.6
The Turn Off the Lights browser extension version 4.6 is here, bringing exciting new features, smarter performance, and better compatibility across all major browsers, including Chrome, Firefox, Safari, Microsoft Edge, Opera, Naver Whale, Yandex, Samsung Internet, or any other supported Chromium browser.
Whether you use it for Night Mode, AutoStop, or video customization, this release takes your browsing experience to the next level, and it is 100% free and Open-Source.
Turn Off the Lights Browser Extension version 4.6 New Features
🎨 Advanced Night Mode Customization

You now have more control over Night Mode. Choose specific elements, such as background, text, hyperlinks, buttons, or borders, that you want to convert to dark mode or not, exactly how you want them.
- New Night Mode Standard Theme using CSS filter for universal compatibility (works on 100% of websites)
- Smart detection automatically skips Night Mode if a website already supports Dark Mode
- You can now choose to apply your Night Mode theme color only to dark or black text
- Create your own Night Mode theme using the Theme Creator. Here you can create your own Night Mode theme

- Browse pre-made themes here. Where you see it is categorized in Dark Themes, Light Themes, and Seasonal Themes
🖥️ Smarter Video Enhancements
- Option to fill the HTML5 video to the full screen, which can cut off the video content on the left and right sides
- If you use the Video Toolbar feature with the zoom side panel, it has an improved zoom engine to zoom smoothly in and out within the content of the video player
- Fixed initial video screenshot not visible when using the zoom in/out rotate buttons
- Improved the Zoom side panel in the Video Toolbar, allowing continuous zooming, rotation, and movement when you press and hold the control buttons
- Persistent Zoom Level even when entering/exiting full-screen mode
- Fixes for YouTube subtitles can be moved, and video screenshots are not displaying correctly
- Dynamic background fish tank for an extra touch of ambiance
⚙️ Better Control & Performance
- Open the specific Options page directly via URL (
turnoffthelights://?action=options&tab=nightmode) - Enhanced AutoStop feature now detects videos inside Shadow DOM
- Added a new Options context menu for the Safari and Firefox browsers, allowing quick access to the Turn Off the Lights Options page
- In the Options page in the Advanced Options tab, there is a new button to open the page where you can customize the shortcut keys
- AutoDim affects only videos that meet the specified minimum width and height
- Updated Chart.js library (v4) for accurate usage analytics
🍎 Safari Extension Improvements
Safari users get a big upgrade in this release! The Turn Off the Lights for Safari version 4.6 is fully optimized for macOS 26 with a sleek new main window that complements the Liquid Glass effect.

What’s New for Safari:
- Customize keyboard shortcuts for Light Off and Night Mode

- New Options menu when right-clicking the lamp icon. So you can instantly access the Turn Off the Lights Options page in Safari. Other web browsers such as Google Chrome, Opera, Microsoft Edge, and Naver Whale have already the “Options” since their first web browser version.

- When using the Safari web browser with the Atmosphere Lightning Vivid Effect, you saw previously time the glow effect is part cut off, where the outer box did not update the glow to match the video content. That is fixed in this latest release, so you have a smooth, realistic glow effect around the video player
Support Our FREE and Open-Source Work
The Turn Off the Lights browser extension is built for users like you to create the best video and web experience in your favorite browser. It is a unique extension, and no other browser extension offers the same experience for its users. The extension is completely free and Open-Source, available even on Safari, with no in-app purchases or hidden costs.
If you love what we do:
- ⭐ Leave a 5-star review in your browser’s extension store. Your support motivates us to continue improving and enhancing your browsing experience.
- 💵 Make a small contribution to support ongoing development and keep the extension available for everyone.
- 🌍 Join our translator community to help make Turn Off the Lights available in more languages.
- 🎥 Subscribe to our YouTube Channel for the newest updates, tips, and tricks to get the most out of Turn Off the Lights.
Thank you for being part of our growing community, and enjoy the Turn Off the Lights browser extension version 4.6!