---
title: "Warning Square Icon | Free Download PNG & SVG | Sharp Solid"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/warning-square--25359
canonical_url: "https://www.streamlinehq.com/icons/download/warning-square--25359"
summary: "Sharp solid icon of a white exclamation mark in a black square. Used for warnings, alerts, and errors."
---

# Warning Square icon

The Warning Square icon shows a white exclamation mark centered in a black square. Drawn in the solid style on a 24px grid so its bold geometry stays clear at small sizes. Use it for warning messages, error states, alerts, safety notices, and attention-required interfaces. It belongs to Sharp Solid set in the Sharp family.

## Preview

![Sharp solid icon of a white exclamation mark in a black square. Used for warnings, alerts, and errors.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/alerts/warning-square-1yrctizvjlodtdgfnoi3d.png/warning-square-rx0t7a1yxmfvvazawsza2g.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Warning Square
- **Type**: Icon
- **Set**: [Sharp Solid](/icons/sharp-solid-style.md) — Sharp combines pure geometry and bold structure for a brutalist, high-tech feel. The Solid variant provides filled geometric shapes for maximum impact.
- **Family**: [Sharp](/icons/sharp-sets.md) — Brutalist icons
- **Style**: Solid, Bold, Geometric, Glyph
- **Category**: Interface Essential › Alerts
- **Default size**: 24px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: warning, square, alert, exclamation, caution, symbol, frame, power, button, switch, electric, control, device, energy, circuit, interface

## Download

- [Download Warning Square on Streamline](https://www.streamlinehq.com/icons/download/warning-square--25359)

## Also available in other styles

- [Warning Square — Sharp Remix](/icons/download/warning-square--28697.md) (Pro)
- [Warning Square — Sharp Gradient](/icons/download/warning-square--28036.md) (Pro)
- [Warning Square — Sharp Flat](/icons/download/warning-square--25523.md) (Pro)
- [Warning Square — Sharp Pop](/icons/download/warning-square--31644.md) (Pro)
- [Warning Square — Sharp Neon](/icons/download/warning-square--30690.md) (Pro)
- [Warning Square — Sharp Line](/icons/download/warning-square--25015.md) (Pro)
- [Warning Square — Sharp Duo](/icons/download/warning-square--25191.md) (Pro)

---

[View full sitemap](/sitemap.md)