01
Four useful starting points
Switch between Pitch Black, Night, Reading, and Developer presets, then tune the result to suit your eyes.
In development
Development preview
is an accessibility-first browser extension designed to make bright websites calmer, darker, and easier on light-sensitive eyes.
Dark by design
Per-site control
Adjustable comfort
Emergency blackout
Less glare. More control.
Bright backgrounds and sudden contrast spikes can turn everyday browsing into a painful experience. That experience deserves a tool designed around it.
It goes beyond a simple colour flip—aiming to preserve images and hierarchy while giving you control over brightness, warmth, and site-specific behaviour.
Built around comfort
Practical controls for daily browsing, without the visual noise.
01
Switch between Pitch Black, Night, Reading, and Developer presets, then tune the result to suit your eyes.
02
Adjust brightness and warmth independently instead of accepting a one-size-fits-all filter.
03
Use Standard, Deep, or Disabled mode where needed, while respecting pages that already have a native dark theme.
04
Trigger an immediate page blackout with a dedicated control or the Alt + Shift + Z shortcut.
Current status
is a working developer preview—not a finished browser-store release. Core controls are functional, while page compatibility and deeper site handling continue to be tested.
Thoughtful glare protection for people who need the screen to meet them where they are.
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