---
title: "Warning Square Icon | Free Download PNG & SVG | Core Solid"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/warning-square--23743
canonical_url: "https://www.streamlinehq.com/icons/download/warning-square--23743"
summary: "Bold solid icon of a rounded square with a vertical bar above a circle. Used for warnings, alerts, and error states."
---

# Warning Square icon

The Warning Square icon shows a rounded square containing a vertical bar above a circular dot. Drawn in the solid style on a 14px grid so it stays clear at small sizes. Use it for warning banners, alert messages, validation errors, and notification states. It belongs to Core Solid set in the Core family.

## Preview

![Bold solid icon of a rounded square with a vertical bar above a circle. 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-b0k9me26c9h91zw4fra3gk.png/warning-square-mk0khdncoxjkc9fs4mpkb.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Warning Square
- **Type**: Icon
- **Set**: [Core Solid](/icons/core-solid.md) — Core is the Helvetica of icons. The Solid variant provides filled shapes for a bolder, more impactful appearance while maintaining legibility at small sizes.
- **Family**: [Core](/icons/core-sets.md) — Minimal icons
- **Style**: Solid, Minimal, Glyph, 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, alert, exclamation, caution, square, lightswitch, toggle, electricity, on, off, wall, fixture, design, interior, power, button, switch, control, device, press

## Download

- [Download Warning Square on Streamline](https://www.streamlinehq.com/icons/download/warning-square--23743)

## 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 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)

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