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# Blue Light Filter - Night Mode & Eye Care **Protect your eyes and sleep better with the most intuitive blue light filter for Chrome.** Blue Light Filter applies a warm, customizable color layer to your screen, reducing exposure to blue light that causes eye strain, headaches, and sleep disturbances. Whether you work late or browse at night, this extension has you covered — no ads, no tracking, no hassle. **Why Blue Light Matters** Studies show that prolonged exposure to blue light from screens suppresses the production of melatonin — the hormone that regulates your sleep cycle. Using screens late at night tricks your brain into thinking it's still daytime, making it harder to fall asleep. Blue Light Filter helps your body maintain its natural rhythm. **Key Features** **Automatic Scheduling** — Set on/off times and the filter will automatically switch. Compatible with schedules that extend past midnight. **Adjustable Warmth and Intensity** — Color temperature from soft yellow to deep amber, with independent opacity control from 5% to 65%. **All Tabs or This One Only** — Apply the filter to the entire browser or only to the current tab when you need color accuracy. **3 Quick Settings** — Soft, Evening, and Night modes for instant switching. **Automatic Dark Mode** — The popup theme follows your system preference, with the option to change it manually. **Black & White Mode** — Optional grayscale filter for distraction-free reading. **Ultralight** — ~80 KB total size. No dependencies, no tracking, no ads **55 languages** — Fully translated: Spanish, English, German, French, Japanese, Chinese, Arabic, and 48 more **Total privacy** — All settings are saved locally. No accounts, no data collection, no external connections **How ​​it works** Blue Light Filter overlays a warm, semi-transparent layer over your browser using `mix-blend-mode: multiply` for a natural color blend. Unlike system filters that affect the entire monitor, this extension works exclusively within Chrome — ideal if you share a computer or switch between tasks. It integrates seamlessly without breaking your page layout. **Who is it for?** - People who work late and then have trouble sleeping - Students and professionals who spend hours in front of a screen - People sensitive to brightness or prone to eye strain - Anyone who wants to improve their visual comfort and sleep hygiene **Easy setup** Install in one click. Open the extension, adjust the warmth to your liking, and, if you wish, schedule a timer. No accounts, no unnecessary permissions. It just works. **Sleep better tonight** Install Blue Light Filter and give your eyes the care they deserve. --- ### Categories - Productivity - Accessibility ### Keywords blue light filter, night mode, eye care, screen dimmer, blue light blocker, eye strain, warm screen, amber filter, reading mode, dark mode, sleep better, blue light glasses, eye protection