This website uses cookies strictly necessary for its proper functioning. For more details, please see our .
f.lux is the app that made blue-light filtering popular. It shifts your whole display to warmer tones as the sun goes down. Eye Guardian takes a different angle. It lives in your browser and pairs the filter with break reminders, guided exercises and a stats dashboard.
| Feature | Eye Guardian | f.lux |
|---|---|---|
| Blue-light filter | Yes | Yes |
| Screen dimming | Yes | Partial |
| Break reminders | Yes | No |
| Guided eye exercises | Yes | No |
| Protection stats | Yes | No |
| Streaks and gamification | Yes | No |
| Dark mode | Yes | No |
| Price | Free, with one-time Lifetime upgrade | Free |
| Platforms | Chrome, Firefox, Edge, Brave and more | Windows, macOS, Linux |
You want one warm-color setting applied across your entire computer at night, and nothing else.
What it does well
You spend your day in the browser and want reminders, exercises and progress tracking alongside the filter.
What f.lux leaves out
You spend your day in the browser and want reminders, exercises and progress tracking alongside the filter. Eye Guardian is free to install and adds a blue-light filter, screen dimmer, break reminders, guided exercises and protection stats in one extension.
Yes. They do not conflict, so you can keep f.lux for what it does well and let Eye Guardian handle the rest of your eye-care routine.
Yes. The core features are free. A one-time Lifetime upgrade unlocks custom filter colors, unlimited daily reminders, more exercises and advanced stats.
Add Eye Guardian for the filter, dimmer, break reminders, exercises and stats in one place.
Add Eye Guardian