A Chrome extension
Calmer Web mutes saturated colors, swaps shouting fonts for calm ones, stops things from pulsing at you, and gives every page a quiet paper tone. One dial, every site.
What it does
Saturation drops by up to half and a warm tint multiplies over the page. Pure white becomes paper. Pure black becomes ink.
Paper and Sepia for daylight. Dusk and Slate for night, which invert bright pages and leave photos alone.
Animations collapse, autoplay stops, GIFs hide. Nothing on the page moves unless you move it.
Body text set in a soft serif or a gentle sans, with wider line-height and a comfortable line length. Icon fonts and code stay untouched.
Sticky headers fall back into the page. Floating chat bubbles fade until you reach for them. Red badges go grey.
Dial it up on the news, down on your design tool, off on the one site that fights back. It remembers.
Who it's for
Lower brightness, lower contrast, and no flashing, on every site at once. No per-site hunting for a dark mode that may not exist.
Red counters and pulsing buttons are designed to grab. Calmer Web takes the color and motion out of them so they ask instead of shout.
Research, documentation, long articles. Line length and spacing tuned for staying with a text rather than skimming it.
Dusk and Slate give you a warm, dim web after dark without the muddy look of a blanket inversion.
Pricing
Free
Pro
Questions
Rarely. Calmer Web leaves layout alone and changes only color, type, and motion. If a site misbehaves, turn it off there with one click or a shortcut, and it stays off on that site.
No. It runs entirely in your browser, stores your settings in Chrome's own sync storage, and sends nothing anywhere. There is no account and no server.
Yes for color, motion, and badges. Fonts can shift widths in dense web apps, so you may prefer to leave the font setting off there. Per-site settings make this a one-time choice.
Dark mode changes brightness. It does not change saturation, motion, font, or the red badge in the corner. Calmer Web does, and works in daylight too.
Guides
Which are free, what the reading studies found, and why spacing matters more than letter shape.
What YouTube's own setting leaves behind, and how an extension clears the rest.
One shortcut dims every page, applies the FL-41 tint, hides images, and stops motion.