---
title: "Exclamation Square Icon | Free Download PNG & SVG | Bootstrap"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/exclamation-square--29335
canonical_url: "https://www.streamlinehq.com/icons/download/exclamation-square--29335"
summary: "Clean solid icon of a rounded square outline with a centered exclamation mark. Used for alerts, warnings, and errors."
---

# Exclamation Square icon

The Exclamation Square icon shows a rounded square outline containing a centered exclamation mark. Drawn in the solid style on a 16px grid for clear, compact UI use. Use it for alerts, warnings, errors, validation messages, and notification states. It belongs to Bootstrap free set in the Bootstrap family.

## Preview

![Clean solid icon of a rounded square outline with a centered exclamation mark. Used for alerts, warnings, and errors.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/2/exclamation-square-7j4amiz7d3bx39zi7x6iia.png/exclamation-square-bguo6tj69geppeg7elvl.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Exclamation Square
- **Type**: Icon
- **Set**: [Bootstrap](/icons/bootstrap-icons.md) — Bootstrap is a free and open source icon set created by Mark Otto for web development.
- **Family**: [Bootstrap](/icons/bootstrap.md)
- **Style**: Solid, Outlined, Bold
- **Category**: All Icons › All Icons
- **Default size**: 16px
- **Pricing**: Free
- **License**: [MIT](https://github.com/twbs/icons/blob/main/LICENSE)
- **Author**: [Bootstrap](https://icons.getbootstrap.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: exclamation, square, alert, caution, warning, attention, notification, important, danger, notify, critical, frame, triangle

## Download

- [Download Exclamation Square on Streamline](https://www.streamlinehq.com/icons/download/exclamation-square--29335)

---

[View full sitemap](/sitemap.md)