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Best Productivity ResourcesBy Shushant LakhyaniVerified creator

Framework

Monoco

Tiny JavaScript library that adds squircle (smooth) corners to HTML elements.

Visit Monoco4.4

  • Rating

    4.4 / 5

  • Pricing

    Free

  • Difficulty

    Intermediate

  • Works on

    Web

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What is Monoco?

Monoco adds squircles and other corner shapes to HTML elements, matching the smooth corners designers use in tools like Figma. It generates SVG for each element as a background or clip path, redraws when the size changes, and works in all modern browsers. Versions are available for plain JavaScript, React and Svelte, and it is free and open source under the MIT licence.

Pros: what Monoco does well

  • Real smooth corners that CSS cannot do yet
  • Works in all modern browsers
  • Free and open source (MIT)

Cons: where it falls short

  • Adds JavaScript for a purely visual effect
  • Small project with a small community

Who Monoco is for

Designers and developers who want their web UI to match squircle corners from their designs.

Who can skip it

Sites happy with standard rounded corners.

Monoco alternatives

Not sold on Monoco? These do a similar job, and each card says what it has in common.

All Workflows resources

UI Colors

Focus: color palette and tailwind css. Shares ui design and css with Monoco. A web app, not a framework. Rated 4.6 (Monoco: 4.4).

Web AppFreeWeb
4.6Visit

Neumorphism.io

Focus: shadows and neumorphism. Shares css and ui design with Monoco. A web app, not a framework. Same 4.4 rating.

Web AppFreeWeb
4.4Visit

Cuelume

Focus: ui sounds, web audio and interaction design. Shares javascript library with Monoco. Rated 4.6 (Monoco: 4.4).

FrameworkFreeWeb
4.6Visit

Blendy

Focus: animation, transitions and ui. Shares javascript library with Monoco. Rated 4.5 (Monoco: 4.4).

FrameworkFreeWeb
4.5Visit

Lucide

Focus: icons, svg icons and icon library. Shares ui design with Monoco. A website, not a framework. Rated 4.8 (Monoco: 4.4).

WebsiteFreeWeb
4.8Visit

Free alternatives to Monoco

Want to spend nothing? These free picks cover similar ground.

CSS Toggle Library

Focus: toggles, switches and checkboxes. Shares css with Monoco. A website, not a framework. Rated 4.7 (Monoco: 4.4).

WebsiteFreeWeb
4.7Visit

Feather Icons

Focus: icons, svg and open source. Shares ui design with Monoco. A website, not a framework. Rated 4.7 (Monoco: 4.4).

WebsiteFreeWeb
4.7Visit

Phosphor Icons

Focus: icons, icon family and figma plugin. Shares ui design with Monoco. A website, not a framework. Rated 4.7 (Monoco: 4.4).

WebsiteFreeWeb
4.7Visit

Clippy

Focus: clip-path, shapes and web design. Shares css with Monoco. A web app, not a framework. Rated 4.6 (Monoco: 4.4).

Web AppFreeWeb
4.6Visit

CSS Loaders

Focus: loaders, animations and spinners. Shares css with Monoco. A website, not a framework. Rated 4.6 (Monoco: 4.4).

WebsiteFreeWeb
4.6Visit
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