React Native Shadow

Turn CSS box shadow settings into React Native style props on your device. Adjust offset, blur, color, and opacity, or paste a CSS value, then copy iOS shadow fields and an Android elevation estimate.

PrivateIn your browserInstantUnlimited

Paste CSS box-shadow

Offset X (0px)

Offset Y (4px)

Blur (8px)

Opacity (50%)

Shadow color

Preview

The preview uses CSS box-shadow in the browser on a light card so the shadow stays visible in dark mode. On a phone, iOS uses the shadow props and Android mainly follows elevation.

React Native style

const shadowStyle = {
  shadowColor: "#0f172a",
  shadowOffset: { width: 0, height: 4 },
  shadowOpacity: 0.5,
  shadowRadius: 8,
  elevation: 3,
};

shadowColor, shadowOffset, shadowOpacity, and shadowRadius target iOS. elevation is a practical Android estimate from offset, blur, and opacity. It will not match CSS pixel for pixel. For multi layer web shadows, use the Box Shadow generator.

How it works

Start from a preset or CSS

Choose a quick preset, or paste a CSS box-shadow value and tap Apply CSS. When several layers are present, only the first layer fills the sliders because React Native draws one shadow per view.

Tune offset, blur, and color

Adjust horizontal and vertical offset, blur radius, opacity, and color. The preview card updates immediately using a CSS approximation so you can judge softness before you copy code.

Copy or download the style

Copy the style object into your React Native component or download shadow-style.js. Everything runs in this tab,

What is React Native Shadow?

React Native Shadow bridges the gap between familiar CSS box-shadow controls and the props React Native expects on iOS and Android. Designers often start from web values. This page turns those settings into a copyable style object while stating the limits of native shadows so you do not ship a false promise of perfect CSS parity.

Why use this tool

Convert slider settings or pasted CSS into React Native shadow props.
Include iOS shadowColor, shadowOffset, shadowOpacity, and shadowRadius in one snippet.
Add an Android elevation estimate derived from offset, blur, and opacity.
Warn clearly when CSS inset, spread, or extra layers cannot map one to one.
Preview softness with a live card while you edit.
Use the tool as often as you like. There is no daily free plan cap.

Questions

What does React Native Shadow do?

It helps you build a React Native style object for drop shadows from sliders or from a CSS box-shadow string. You get iOS shadow fields plus an Android elevation estimate you can paste into your app.

Will the preview match my phone exactly?

No. The preview uses CSS box-shadow in the browser. Real devices render iOS shadows and Android elevation differently, so treat the card as guidance and verify on a device or emulator.

Why is spread missing?

React Native shadow props do not expose CSS spread. If your CSS includes spread, the tool keeps offset, blur, color, and opacity from the first layer and shows a short note.

Can I convert inset shadows?

Native shadow props do not support inset. You can still apply the numeric values, but inset itself is dropped with an explanation. For pressed web effects, stay on CSS Box Shadow.

Is my CSS sent to a server?

No. Parsing and conversion run entirely in this browser tab.

Is there a daily limit?

No. This tool has no daily usage cap on the free plan.

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