---
title: "Warning Square Icon | Free Download PNG & SVG | Core Flat"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/warning-square--23994
canonical_url: "https://www.streamlinehq.com/icons/download/warning-square--23994"
summary: "Clean flat icon of a rounded square with an exclamation mark. Used for warnings and alerts."
---

# Warning Square icon

The Warning Square icon shows a rounded square containing a vertical exclamation mark and circular dot. Drawn in the flat style on a 14px grid so its simple forms stay clear in compact interfaces. Use it for warning messages, validation errors, system alerts, safety notices, and attention states. It belongs to Core Flat set in the Core family.

## Preview

![Clean flat icon of a rounded square with an exclamation mark. Used for warnings and alerts.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/alerts/warning-square-nmyqz5wsa1fjf6ilufn1i.png/warning-square-arsbq444anpgkrs23g5lxa.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Warning Square
- **Type**: Icon
- **Set**: [Core Flat](/icons/core-flat.md) — Core is timeless, like the Helvetica font or The Beatles. With its minimalist design and neutrality, it can adapt to any layout. The Flat style is easy to integrate into projects that need icons with a more illustrative purpose, working best at larger sizes. All Core Flat icons are designed on a 14px grid with two customizable colors.
- **Family**: [Core](/icons/core-sets.md) — Minimal icons
- **Style**: Flat, Minimal, Wireframe
- **Category**: Interface Essential › Alerts
- **Default size**: 14px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: warning, exclamation, alert, caution, attention, notice, hazard, blue, square, rounded

## Download

- [Download Warning Square on Streamline](https://www.streamlinehq.com/icons/download/warning-square--23994)

## Also available in other styles

- [Warning Square — Core Remix](/icons/download/warning-square--28879.md) (Pro)
- [Warning Square — Core Line](/icons/download/warning-square--23576.md) (Pro)
- [Warning Square — Core Solid](/icons/download/warning-square--23743.md) (Pro)
- [Warning Square — Core Neon](/icons/download/warning-square--30560.md) (Pro)
- [Warning Square — Core Gradient](/icons/download/warning-square--28316.md) (Pro)
- [Warning Square — Core Duo](/icons/download/warning-square--24076.md) (Pro)
- [Warning Square — Core Pop](/icons/download/warning-square--31462.md) (Pro)

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