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ATTENTION: As part of a major update, we will be replacing the existing phosphor-icons package with @phosphor-icons/web. We recommend using the new version, as it has improved performance and significantly smaller bundle size, in addition to having the option to only load the weights you need. Some class names and APIs have changed, so please read the documentation before upgrading. The legacy package will continue to recieve maintenance, but will not be updated with new icons upstream. Take me to the legacy version ➜


Phosphor is a flexible icon family for interfaces, diagrams, presentations — whatever, really. Explore all our icons at

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Getting Started

We use a similar approach as many other icon sets out there, providing icons as several webfonts that uses Unicode's Private Use Area character codes to map normally non-rendering characters to icons. Simply add one or more weights by including its stylesheet to the document <head>, and drop in icons with an <i> tag and the appropriate classes for the weight and the icon:

<!DOCTYPE html>
    <i class="ph-bold ph-smiley"></i>
    <i class="ph-bold ph-heart" style="color: hotpink"></i>
    <i class="ph-bold ph-cube"></i>

Note: You can import as many or as few weights as needed. Only imported weights will match and render as icons.


Phosphor Icons come in 6 weights: regular, thin, light, bold, fill, and duotone. In order to use a weight, you must include a link to its stylesheet, and use the appropriate weight class on the icon (the regular weight uses .ph instead of .ph-regular):

<i class="ph-duotone ph-baseball"></i>

The URL format is<VERSION>/src/<WEIGHT>/style.css. Other common CDNs may also be used.

Using All Weights

If you intend to use all 6 weights, they can be made available by including the library as a script tag, using the base URL:

<script src=""></script>
<i class="ph-light ph-address-book"></i>
<i class="ph ph-sunglasses"></i>

NOTE: Though assets will be cached for subsequent loads, this will bring in around 3MB of fonts and CSS, and may have impact on page load speed.


If your environment supports loading CSS files as modules, icon weights can be imported for effect from the package.

$ yarn add @phosphor-icons/web
import "@phosphor-icons/web/light";
import "@phosphor-icons/web/bold";


Since the icons are just text under the hood, they can be colored and styled with CSS like any other font, including font-size, color, etc.

  .ph-bold {
    font-size: 48px;

  .green {
    color: limegreen;
<!-- 96px -->
<i class="ph-bold ph-airplane"></i>
<!-- 96px and green -->
<i class="ph-bold ph-skull green"></i>

Note: Overriding the font-family, font-style, font-weight, font-variant, or text-transform may break the icons and render unprintable characters. Don't do it. Additionally, all weights use the :before pseudoelement to inject the font glyph, so overriding this property in icon classes can break them. The duotone weight also uses the :after pseudoelement, so it is best not to modify either when styling icons.

Our Related Projects

Community Projects

If you've made a port of Phosphor and you want to see it here, just open a PR here!


MIT © Phosphor Icons