---
title: "Underline Icon | Free Download PNG & SVG | Unicons Line"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/underline--29581
canonical_url: "https://www.streamlinehq.com/icons/download/underline--29581"
summary: "Clean line icon of a rounded U-shaped stroke above a horizontal bar. Used for text underlining, formatting, and editor controls."
---

# Underline icon

The Underline icon shows a rounded U-shaped stroke positioned above a horizontal rounded bar. Drawn in the line style on a 16px grid, its simple forms stay clear in compact interfaces. Use it for text formatting toolbars, rich-text editors, typography controls, and document design tools. It belongs to Unicons Line free set in the Unicons family.

## Preview

![Clean line icon of a rounded U-shaped stroke above a horizontal bar. Used for text underlining, formatting, and editor controls.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/all-icons/underline-5htvlhw5b0tl3o1w5r7x7.png/underline-3u2eckamztc7v0mn23ojm8.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Underline
- **Type**: Icon
- **Set**: [Unicons Line](/icons/unicons-line.md) — Unicons is a free and open source icon set created by IconScout with customizable styles.
- **Family**: [Unicons](/icons/unicons.md)
- **Style**: Line, Outlined
- **Category**: All Icons › All Icons
- **Default size**: 16px
- **Pricing**: Free
- **License**: [IconScout Simple License](https://iconscout.com/licenses#simple_license)
- **Author**: [IconScout](https://iconscout.com/unicons)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: underline, magnet, horseshoe, electromagnetism, science, physics, attraction, polarity, field, energy, force

## Download

- [Download Underline on Streamline](https://www.streamlinehq.com/icons/download/underline--29581)

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