---
title: "Lightbulb Icon | Free Download PNG & SVG | Sharp Line - Material Symbols"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/lightbulb--29915
canonical_url: "https://www.streamlinehq.com/icons/download/lightbulb--29915"
summary: "Sharp line icon of a lightbulb outline with a horizontal base and small rounded bottom cap. Used for ideas and tips."
---

# Lightbulb icon

The Lightbulb icon shows a rounded bulb outline with a horizontal base and small rounded bottom cap. Drawn in the line style on a 24px grid for clear, bold geometry in interfaces. Use it for ideas, tips, suggestions, innovation, and lighting controls. It belongs to Sharp Line - Material Symbols free set in the Google Material family.

## Preview

![Sharp line icon of a lightbulb outline with a horizontal base and small rounded bottom cap. Used for ideas and tips.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/common-actions/lightbulb-ty4ij1qduflx29gqoat8un.png/lightbulb-gw1unua3liev4vfh1bgxl.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Lightbulb
- **Type**: Icon
- **Set**: [Sharp Line - Material Symbols](/icons/material-symbols-sharp-line.md) — Material Symbols by Google - free customizable icon set with icons in outlined, rounded, and sharp variants.
- **Family**: [Google Material](/icons/material-symbols.md)
- **Style**: Line, Outlined, Geometric
- **Category**: Common Actions › Common Actions
- **Default size**: 24px
- **Pricing**: Free
- **License**: [Apache](https://www.apache.org/licenses/LICENSE-2.0.txt)
- **Author**: [Google](https://fonts.google.com/icons)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: Lightbulb, lightbulb, idea, light, illumination, energy, innovation, inspiration, creative, creativity, concept, brightness, insight, electricity, bright

## Download

- [Download Lightbulb on Streamline](https://www.streamlinehq.com/icons/download/lightbulb--29915)

## Also available in other styles

- [Lightbulb — Rounded Line - Material Symbols](/icons/download/lightbulb--29957.md) (Free)
- [Lightbulb — Outlined Line - Material Symbols](/icons/download/lightbulb--30007.md) (Free)

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