Color Blindness Simulator

Color Blind Mode

Color Blind Helper - See the Web Through Different Eyes Transform any webpage to see how it appears to people with different types of color blindness. Color Blind Helper uses scientifically accurate color transformation matrices to simulate how color vision deficiencies affect perception. ✨ Features: • Support for ALL types of color blindness: - Deuteranomaly & Deuteranopia (red-green, most common) - Protanomaly & Protanopia (red-green) - Tritanomaly & Tritanopia (blue-yellow) - Achromatopsia (complete color blindness) • 100% scientifically accurate color simulation based on research by Brettel, Vienot, and others • High contrast mode for improved visibility • One-click activation - simply select a mode and apply • Works on any website instantly • Settings sync across all your devices Perfect for designers, developers, accessibility testers, and anyone who wants to understand how color blind users experience the web. Test your website's accessibility, ensure your designs are color-blind friendly, or simply explore the web from a different perspective. Easy to use: Click the extension icon, choose a color blindness type, and see the transformation instantly. Your preferences are saved automatically, so the filter applies to new pages you visit. Make the web more accessible, one filter at a time! About the creator: Built by Mihir Sanghvi, a red–green colorblind developer pursuing Computer Science at Rutgers–New Brunswick, to make it easier for everyone to experience and design for different types of color vision.

Color Blind & Low Vision Simulator

This vision simulator allows users to observe how people with colorblindness or low vision may perceive web-based content. The Color Blind & Low Vision Simulator is an accessibility tool that allows users to test and observe how people with colorblindness or low vision may perceive web-based content. Note: The simulator is active only on the tab in focus. If you don't see a change, refresh the page you want to test. Features: • Light and Dark modes • 9 color vision options • 7 Low vision options 2.0.0 Update: • You can now create combinations by selecting one color vision filter and one low vision filter • Added badges to show which filters are active • Added a "Reset" button that clears the active filters • Header is now sticky so that the badges are always visible

Color Perception Simulator

Simulate Troubles of Color Perception in your browser (protanopia, deuteranopia, tritanopia, achromatopsia, blur vision) Color Perception Simulator helps you understand how people with color vision deficiencies see the web. Whether you're a developer, designer, teacher or accessibility advocate, this extension gives you instant insight into color blindness issues. With one click, apply filters directly on any web page using scientifically-based transformation matrices. Great for inclusive design testing or educational purposes. ✅ Works on any website ✅ One-click simulation ✅ No data collected, no external requests ✅ Lightweight and accessible Inspired by accessibility best practices and built with care for inclusive design. More informations, take a read at : https://www.inf.ufrgs.br/~oliveira/pubs_files/CVD_Simulation/CVD_Simulation.html and https://developer.chrome.com/docs/chromium/cvd?hl=fr License: - This extension is distributed under a Custom Non-Commercial License authored by Aude Lellouche. - Non-commercial use only - Attribution required - Not intended for medical use - No warranties provided - Contributions accepted under same license Full license text available in the extension package and at: https://github.com/AudeizReading/color-perception-simulator-chrome-ext/blob/main/LICENSE.txt

NightShield: Blue Light Filter

Reduce eye strain and sleep disruption with a one-click blue light filter for night-time browsing. 👁️👁️ Protect your eyes. Sleep better. Focus longer. 🛡️👨‍⚕️ NightShield is a health-first Chrome extension that reduces blue light exposure with a single click. Whether you're reading late at night, working in dark environments, or just want a more relaxing screen, NightShield tints your browser with a warm red overlay proven to reduce eye strain and help your body prepare for restful sleep. ✅ Key Features 1- One-click toggle for instant activation 2- Customizable tint intensity (10%–30%) 3- Keyboard shortcut support 4- Works across all sites and tabs 5- No tracking, no ads, no data collection 🌙 Why it matters Blue light from screens suppresses melatonin, the hormone responsible for sleep. NightShield helps you maintain a healthy circadian rhythm and reduces the digital glare that leads to tired, dry eyes. ⚙️ Built for simplicity No complex settings. No bloat. Just a clean, fast solution designed by health-conscious developers who care about your well-being.