Omatsuri

Use frontend utilities for color shades, CSS gradients, SVG compression, encoding, and related tasks in one browser app.

  • Web Utility
Visit Omatsuri official site

What it is

Omatsuri is an open-source collection of frontend tools. It includes color shade and CSS gradient generators, SVG compression, SVG-to-JSX conversion, Base64 encoding, and related utilities.

Why it is selected

When you need to generate styles or convert an asset, the shared interface makes it easy to switch tools without searching for a separate site each time.

Who it suits

Design engineers and frontend developers who regularly work with CSS, SVG, and frontend assets.

Useful for

  • Generating lighter and darker shades of a color or a CSS gradient
  • Compressing SVG files or converting SVG markup to JSX

Usage note

In this review, entering #FF5A5F in the color shades generator immediately produced a set of lighter and darker HEX values. The official project also lists gradient, SVG, Base64, fake data, and keyboard event code tools; those were not tested individually.

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