---
title: "Warning Square Icon | Free Download PNG & SVG | Iconoir Solid"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/warning-square--29590
canonical_url: "https://www.streamlinehq.com/icons/download/warning-square--29590"
summary: "Clean solid icon of a rounded square with a centered exclamation mark. Used for warnings, alerts, and errors."
---

# Warning Square icon

The Warning Square icon shows a rounded square containing a centered vertical exclamation mark and dot. Drawn in the solid style on a 16px grid, keeping its bold shape clear in compact interfaces. Use it for warning messages, error states, form validation, safety notices, and alert buttons. It belongs to Iconoir Solid free set in the Iconoir family.

## Preview

![Clean solid icon of a rounded square with a centered exclamation mark. Used for warnings, alerts, and errors.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/all-icons/warning-square-waex0to583o1lzfu8ia4wy.png/warning-square-ir1776n2ymeusnd0cuqi1.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Warning Square
- **Type**: Icon
- **Set**: [Iconoir Solid](/icons/iconoir-solid.md) — Iconoir is a free and open source icon set created by Luca Burgio with clean, consistent design.
- **Family**: [Iconoir](/icons/iconoir.md)
- **Style**: Solid, Bold
- **Category**: All Icons › All Icons
- **Default size**: 16px
- **Pricing**: Free
- **License**: [MIT](https://github.com/iconoir-icons/iconoir/blob/main/LICENSE)
- **Author**: [Iconoir](https://iconoir.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: warning, square, exclamation, alert, danger, caution, attention, important, notice, mark, point

## Download

- [Download Warning Square on Streamline](https://www.streamlinehq.com/icons/download/warning-square--29590)

## Also available in other styles

- [Warning Square — Iconoir Regular](/icons/download/warning-square--29591.md) (Free)

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