NiteLight от Lumex

Dark mode that actually works with Firefox's native PDF viewer.
🌗Built for reading, customizable presets.

✨KEY FEATURES
• Customizable colors for browser's native-PDF reader & website.
• Website theming
• Blue-light Filter
• Gray scale

🆓 100% Free • No sign-in • Lightweight • On-Device

one click to save your eyes !

📄 PDFs
Customizable PDF dark mode made with Presets.
• Works with browser’s native PDF viewer.
• Multiple presets for different document types and preferences
• Customize colors, brightness, and contrast
No problem handling those long reading sessions.
Firefox PDF Demo: https://youtu.be/zjQdqaGCPJI

🌐 Websites
• Website Dynamic Filter: Works on any site.
• CSS themes: (beta)
‣ Custom themes: Create your own theme presets.
‣ CSS filters: Add support for your favorite website.
all with Bluelight filter and grayscale.

🌅 Bluelight filter
• Reduce blue light automatically based on sunrise and sunset, customizable time and intensity.

♿Accessibility
• Accessibility tool for people with vision problems like - color correction, reduce brightness.
• Emulate E-Ink.

🔥 Why NiteLight?
Unlike generic dark mode extensions, it's built for reading.
⚙ Presets: suit any type of document/website, any time of day.
🎨 Customize: use presets or create your own.
One extension for PDFs, websites, and your preferred reading environment.

⚙ Setup: Simply Install → open PDF → turn on NiteLight.

🔐 Private by design - no tracking, no data collection, no account. NiteLight runs entirely on your device.

Also on Chromium: https://chromewebstore.google.com/detail/bahiilceafeeoilpoddoheddgmdamfne