---
title: "Warning Square Icon | Free Download PNG & SVG | Carbon"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/warning-square--29501
canonical_url: "https://www.streamlinehq.com/icons/download/warning-square--29501"
summary: "Sharp line icon of a rounded square containing an exclamation mark. Used for warnings, alerts, and error states."
---

# Warning Square icon

The Warning Square icon shows an exclamation mark inside a rounded square. Drawn in the line style on a 16px grid so it stays clear at small sizes. Use it for warning messages, alerts, error states, validation feedback, and caution indicators. It belongs to Carbon free set in the Carbon family.

## Preview

![Sharp line icon of a rounded square containing an exclamation mark. Used for warnings, alerts, and error states.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/c7/warning-square-izut7yrybebzi8k2xpwsd8.png/warning-square-lc9lbbnn77a6sozy5cbvlf.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Warning Square
- **Type**: Icon
- **Set**: [Carbon](/icons/carbon-design.md) — Carbon is a free and open source icon set created by IBM with professional, structured design.
- **Family**: [Carbon](/icons/carbon.md)
- **Style**: Line, Outlined
- **Category**: All Icons › All Icons
- **Default size**: 16px
- **Pricing**: Free
- **License**: [Apache](https://github.com/carbon-design-system/carbon/blob/main/LICENSE)
- **Author**: [Carbon Design System](https://carbondesignsystem.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: warning, alert, exclamation, caution, danger, critical, error, attention, important, notice, square

## Download

- [Download Warning Square on Streamline](https://www.streamlinehq.com/icons/download/warning-square--29501)

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