---
title: "Underline Icon | Free Download PNG & SVG | Cyber Line"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/underline--17070
canonical_url: "https://www.streamlinehq.com/icons/download/underline--17070"
summary: "Sharp line icon of a U-shaped outline above a horizontal underline. Used for text decoration, formatting, and editor controls."
---

# Underline icon

The Underline icon shows a U-shaped outline with a pointed bottom above a separate horizontal line. Drawn in the line style on a 24px grid with a 1px stroke, its straight edges keep the geometry clear at small sizes. Use it for text decoration, formatting controls, rich-text editors, and annotation tools. It belongs to Cyber Line set in the Cyber family.

## Preview

![Sharp line icon of a U-shaped outline above a horizontal underline. Used for text decoration, formatting, and editor controls.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/text/underline-ncma1p9p2wnl0enptv4t.png/underline-z87crldvr2pby32obnqq0o.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Underline
- **Type**: Icon
- **Set**: [Cyber Line](/icons/cyber-line.md) — Cyber features only straight lines and sharp angles for a futuristic, high-tech aesthetic. The Line variant maintains geometric clarity.
- **Family**: [Cyber](/icons/cyber.md) — Icons from the future
- **Style**: Line, Geometric, Stroke
- **Category**: Text › Text
- **Default size**: 24px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: underline, text, typography, line, font, outline, tag, marker, label, badge, ribbon, arrow, emblem, bookmark, clip, letter, parameter

## Download

- [Download Underline on Streamline](https://www.streamlinehq.com/icons/download/underline--17070)

## Also available in other styles

- [Underline — Cyber Duotone](/icons/download/underline--17170.md) (Pro)

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