---
title: "Warning Square Icon | Free Download PNG & SVG | Micro Line"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/warning-square--26407
canonical_url: "https://www.streamlinehq.com/icons/download/warning-square--26407"
summary: "Clean line icon of an exclamation mark inside a rounded square. Used for warnings, alerts, and error states."
---

# Warning Square icon

The Warning Square icon shows a bold exclamation mark inside a rounded square. Drawn in the line style on a 10px grid with a 1px stroke, it keeps the symbol clear in compact interfaces. Use it for warnings, alerts, validation errors, safety notices, and attention states. It belongs to Micro Line set in the Micro family.

## Preview

![Clean line icon of an exclamation mark inside a rounded square. 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-rn5t6sj2v9m42qfs4r693u.png/warning-square-d2dth65hifk1nxu9wouet1.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Warning Square
- **Type**: Icon
- **Set**: [Micro Line](/icons/micro-line.md) — Micro is built on a tiny 10px grid, perfect for interfaces. The Line variant offers minimal, clean strokes for small icon sizes.
- **Family**: [Micro](/icons/micro.md) — Designed for interfaces
- **Style**: Line, Minimal, Stroke, Geometric, Wireframe
- **Category**: Interface Essential › Alerts
- **Default size**: 10px
- **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, square, alert, exclamation, caution, danger, signal, attention, alarm, important, message, notification, note, symbol, frame

## Download

- [Download Warning Square on Streamline](https://www.streamlinehq.com/icons/download/warning-square--26407)

## Also available in other styles

- [Warning Square — Micro Solid](/icons/download/warning-square--26554.md) (Pro)

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