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Night Eye
The most powerful dark mode browser extension that protects your eyes on any website.
What it does
Enables high-quality dark mode across 99% of websites. Provides customizable brightness, contrast, and blue light filters. Uses color-matching algorithms to prevent harsh color inversions. Includes built-in support for PDF files and local browser pages. Offers cross-browser support including Chrome, Firefox, Safari, and Edge.
Why it works
Quality: Unlike free 'inverters', Night Eye preserves image colors and text readability with high precision. Performance: Lightweight and optimized not to slow down page load times. Customization: Allows users to schedule dark mode or tweak settings on a per-site basis. Support: One of the few 'utility' extensions with a professional, ongoing development team.
Category: Productivity
Team Size: 2-10
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As of 2026
Productivity
Revenue: $100k-$1M ARR
The most powerful dark mode browser extension that protects your eyes on any website.
Overview
Night Eye is a specialized browser extension that enables dark mode on almost any website, even those that don't natively support it. Using a sophisticated algorithm that analyzes and converts colors rather than simply inverting them, it provides a visually pleasing, high-contrast dark theme that reduces eye strain and improves readability during late-night browsing.
Funding status: Bootstrapped
Revenue source: Subscriptions & One-time payments
Customer type: B2C
Pricing: Freemium
Tech stack: JavaScript, React, AWS
Platform: Web • Browser Extension
Integrations: Chrome, Firefox, Safari, Edge, Opera, Vivaldi
Founder story
Founded in 2018 in Sofia, Bulgaria, by a team of developers who spent their lives staring at bright screens. They were frustrated by the poor quality of existing dark mode tools and built Night Eye to provide a professional-grade solution that they would use themselves every night.
What it does
- Enables high-quality dark mode across 99% of websites
- Provides customizable brightness, contrast, and blue light filters
- Uses color-matching algorithms to prevent harsh color inversions
- Includes built-in support for PDF files and local browser pages
- Offers cross-browser support including Chrome, Firefox, Safari, and Edge.
Who it's for
- Software engineers
- Night-time web users
- Students
- Eye-care conscious professionals
Why it works
- Quality: Unlike free 'inverters', Night Eye preserves image colors and text readability with high precision
- Performance: Lightweight and optimized not to slow down page load times
- Customization: Allows users to schedule dark mode or tweak settings on a per-site basis
- Support: One of the few 'utility' extensions with a professional, ongoing development team.
Growth strategies
- Targeted the high- growth 'Dark Mode' trend on platforms like Product Hunt and Reddit.
- Used a 'Pay- Once' or competitive annual subscription model to build a stable revenue base.
- Leveraged a freemium model with a 'Lite' version to drive massive user acquisition.
- Maintained a high- trust brand by prioritizing user privacy and zero data tracking.
Alternatives
Comparison overview
- Dark Reader: The free, open-source giant; Night Eye is the 'premium' choice with better color processing and customer support.
- Turn Off the Lights: Focused on video; Night Eye is the specialist for general web browsing and professional eye-care.
- Night Eye is the best choice for users who spend long hours online and want a professional dark mode experience.