---
title: "Lightbulb Icon | Free Download PNG & SVG | Plump Line - Free"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/lightbulb--27200
canonical_url: "https://www.streamlinehq.com/icons/download/lightbulb--27200"
summary: "Rounded line icon of a lightbulb with a curved filament and base. Used for ideas, tips, lighting, and innovation."
---

# Lightbulb icon

The Lightbulb icon shows a rounded bulb with a curved filament and a simple base. Drawn in the line style on a 48px grid with a 3px stroke so its friendly outline stays clear in compact interfaces. Use it for ideas, tips, lighting controls, innovation themes, and educational content. It belongs to Plump Line - Free set in the Plump family.

## Preview

![Rounded line icon of a lightbulb with a curved filament and base. Used for ideas, tips, lighting, and innovation.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/interface-essential/lightbulb-xwz2mqgq4jrhg0jx9xwbj.png/lightbulb-hauatfp7s6vyw75tk0myp.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Lightbulb
- **Type**: Icon
- **Set**: [Plump Line - Free](/icons/plump-line-free.md) — [Free + Open-source] Plump is 100% cute and friendly. The Free Line variant features outlined friendly icons with expressive details. Licensed under the Creative Commons - CC BY 4.0
- **Family**: [Plump](/icons/plump.md) — Friendly icons
- **Style**: Line
- **Category**: Interface Essential › Interface Essential
- **Default size**: 48px
- **Stroke width**: 3px
- **Pricing**: Free
- **License**: [Free](https://home.streamlinehq.com/license-free)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: lightbulb, bulb, light, idea, creative, invent, innovation, inspire, thinking, energy, electricity, bright, lights, incandescent, lighting

## Download

- [Download Lightbulb on Streamline](https://www.streamlinehq.com/icons/download/lightbulb--27200)

## Also available in other styles

- [Lightbulb — Plump Flat - Free](/icons/download/lightbulb--27092.md) (Free)
- [Lightbulb — Plump Duo - Free](/icons/download/lightbulb--27076.md) (Free)
- [Lightbulb — Plump Remix - Free](/icons/download/lightbulb--30231.md) (Free)
- [Lightbulb — Plump Solid - Free](/icons/download/lightbulb--27060.md) (Free)
- [Lightbulb — Plump Gradient - Free](/icons/download/lightbulb--30196.md) (Free)
- [Lightbulb — Plump Neon - Free](/icons/download/lightbulb--32019.md) (Free)
- [Lightbulb — Plump Pop - Free](/icons/download/lightbulb--32035.md) (Free)

---

[View full sitemap](/sitemap.md)