---
title: "Warning Icon | Free Download PNG & SVG | Phosphor Regular"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/warning--28929
canonical_url: "https://www.streamlinehq.com/icons/download/warning--28929"
summary: "Clean line icon of a rounded warning triangle with an exclamation mark. Used for alerts, errors, and caution states."
---

# Warning icon

The Warning icon shows a rounded triangular outline with a centered exclamation mark in the line style on a 16px grid, keeping its bold shape clear at compact sizes. Use it for interface alerts, error messages, caution notices, validation states, and safety warnings. It belongs to Phosphor Regular free set in the Phosphor family.

## Preview

![Clean line icon of a rounded warning triangle with an exclamation mark. Used for alerts, errors, and caution states.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/phosphor-regular/warning-9j0a9ajgvgdu6uoortxgf.png/warning-muxm7hse9g3r5f4godbh6.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Warning
- **Type**: Icon
- **Set**: [Phosphor Regular](/icons/phosphor-regular.md) — Phosphor is a free and open source icon set created by Helena Zhang and Tobias Fried.
- **Family**: [Phosphor](/icons/phosphor.md)
- **Style**: Line, Outlined, Minimal
- **Category**: All Icons › Vector Icons
- **Default size**: 16px
- **Pricing**: Free
- **License**: [MIT](https://raw.githubusercontent.com/phosphor-icons/homepage/master/LICENSE)
- **Author**: [Phosphor](https://phosphoricons.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: Warning, Caution, Danger, Alert, Hazard, Attention, Notice, Exclamation, Triangle

## Download

- [Download Warning on Streamline](https://www.streamlinehq.com/icons/download/warning--28929)

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