NiteLight | Darkmode native PDF by Lumex

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

NiteLight is a customizable darkmode extension built for readers. Transform Pdf in brower's native PDF viewer & websites with adjustable colors, customizable presets, brightness, contrast, blue light filtering, and more.

one click to save your eyes !

🆓 100% Free • No sign-in • Lightweight • Offline

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

✨KEY FEATURES
• PDF
• Website theme
• Blue-light Filter
• Gray scale

📄 PDFs
Customizable PDF darkmode made with Presets.
• Works on browser’s native PDF viewer
• Presets: for different documents and preferences
• Customize: colors, brightness, and contrast
• Unlike other PDF darkmode extensions it doesn't compromise your security, working offline and with native browser.
Firefox PDF Demo: https://youtu.be/zjQdqaGCPJI

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

🌅 Blue Light Filter – Day & Night
• Reduce blue light automatically based on sunrise and sunset, customizable time and intensity.
• Grayscale

♿Accessibility & Visual customization
• Color correction: Accessibility tool for people with vision problems like - color correction, reduce brightness.
• Reduced brightness
• Grayscale mode
• E-Ink-style display emulation.

🔥 Why NiteLight?
it's built for reading.
⚙ Presets: suit any type of document/website, any time of day.
🎨 Customize: use presets or create your own. Fine-control: Adjust colors, brightness, contrast, warmth, and more.

⚙ Setup
Install → open PDF → turn on NiteLight.

One extension. PDFs, websites, and your browser.

🌙 Make your next reading session your own with NiteLight.