---
title: "Warning Square Icon | Free Download PNG & SVG | Core Line"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/warning-square--23576
canonical_url: "https://www.streamlinehq.com/icons/download/warning-square--23576"
summary: "Clean line icon of a rounded square containing a vertical exclamation mark. Used for warnings, alerts, and error states."
---

# Warning Square icon

The Warning Square icon shows a rounded square containing a vertical exclamation mark and dot. Drawn in the Core Line style on a 14px grid with a 1px stroke, it keeps the essential forms clear and spacious. Use it for warning messages, alerts, validation errors, and caution states. It belongs to Core Line set in the Core family.

## Preview

![Clean line icon of a rounded square containing a vertical exclamation mark. Used for warnings, alerts, and error states.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/alerts/warning-square-t7wt2bgagh9jmnjxaz94gr.png/warning-square-p7dxy3dxyt8gxrqnbsvkr.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Warning Square
- **Type**: Icon
- **Set**: [Core Line](/icons/core-line.md) — Core is the Helvetica of icons. Each icon is stripped to its essential form and has generous inner spacing. The Line variant offers a clean, minimalist approach with consistent line weights.
- **Family**: [Core](/icons/core-sets.md) — Minimal icons
- **Style**: Line, Minimal, Stroke, Wireframe
- **Category**: Interface Essential › Alerts
- **Default size**: 14px
- **Stroke width**: 1px
- **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, danger, hazard, attention, square, sign, notification

## Download

- [Download Warning Square on Streamline](https://www.streamlinehq.com/icons/download/warning-square--23576)

## Also available in other styles

- [Warning Square — Core Remix](/icons/download/warning-square--28879.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 Flat](/icons/download/warning-square--23994.md) (Pro)
- [Warning Square — Core Duo](/icons/download/warning-square--24076.md) (Pro)
- [Warning Square — Core Pop](/icons/download/warning-square--31462.md) (Pro)

---

[View full sitemap](/sitemap.md)