---
title: "Alert Triangle Icon | Free Download PNG & SVG | Nova Line Icons"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/alert-triangle--12078
canonical_url: "https://www.streamlinehq.com/icons/download/alert-triangle--12078"
summary: "Sharp line icon of a triangle outline with an exclamation mark. Used for warnings, errors, and alerts."
---

# Alert Triangle icon

The Alert Triangle icon shows a triangular outline with an exclamation mark centered inside. Drawn in the line style on a 24px grid with a 2px stroke so its warning shape stays clear at small sizes. Use it for warning messages, error states, safety notices, validation feedback, and alert panels. It belongs to Nova Line Icons set in the Nova family.

## Preview

![Sharp line icon of a triangle outline with an exclamation mark. Used for warnings, errors, and alerts.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/alerts-loading/alert-triangle-hjlpu59teuq42uzcx6155e.png/alert-triangle-5nf4ehtm5fiwtvurlrkrd8.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Alert Triangle
- **Type**: Icon
- **Set**: [Nova Line Icons](/icons/nova-line-icon.md) — Nova adheres to the official Material Design guidelines. Each icon is thoughtfully designed to ensure consistency and effectively convey its meaning. The Line style is perfect for projects that prioritize simplicity, seamlessly adapting to both light and dark backgrounds. All Nova Line icons are designed on a 24px grid with a 2px stroke. – Made by Streamline
- **Family**: [Nova](/icons/nova.md) — Streamline x Material
- **Style**: Line
- **Category**: Interface Essential › Alerts Loading
- **Default size**: 24px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: alert, triangle, exclamation, warning, caution, danger, hazard, attention, risk, notice, interface, sign

## Download

- [Download Alert Triangle on Streamline](https://www.streamlinehq.com/icons/download/alert-triangle--12078)

## Also available in other styles

- [Alert Triangle — Nova Line](/icons/download/alert-triangle--32580.md) (Pro)
- [Alert Triangle — Nova Solid](/icons/download/alert-triangle--11899.md) (Pro)

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