---
title: "Lightbulb Icon | Free Download PNG & SVG | Plump Line"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/lightbulb--25601
canonical_url: "https://www.streamlinehq.com/icons/download/lightbulb--25601"
summary: "Rounded line icon of a lightbulb with a curved highlight and base. Used for ideas, tips, and lighting."
---

# Lightbulb icon

The Lightbulb icon shows a rounded bulb outline with a curved highlight and a short base. Drawn in the line style on a 48px grid with a 3px stroke for a friendly, expressive look. Use it for ideas, tips, inspiration, lighting controls, and educational interfaces. It belongs to Plump Line set in the Plump family.

## Preview

![Rounded line icon of a lightbulb with a curved highlight and base. Used for ideas, tips, and lighting.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/lighting/lightbulb-uixe5notg782mny4ydrmo.png/lightbulb-dmgvms0bkow3ubc8bm4nwg.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Lightbulb
- **Type**: Icon
- **Set**: [Plump Line](/icons/plump-line-style.md) — Plump is 100% cute. Inspired by animated cartoons, with subtle curves and chunky shapes. The Line variant features outlines of friendly icons with expressive details.
- **Family**: [Plump](/icons/plump.md) — Friendly icons
- **Style**: Line, Stroke
- **Category**: Interface Essential › Lighting
- **Default size**: 48px
- **Stroke width**: 3px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: lightbulb, bulb, idea, lighting, outline, inspiration, innovation, electricity, energy, lamp

## Download

- [Download Lightbulb on Streamline](https://www.streamlinehq.com/icons/download/lightbulb--25601)

## Also available in other styles

- [Lightbulb — Plump Flat](/icons/download/lightbulb--26117.md) (Pro)
- [Lightbulb — Plump Solid](/icons/download/lightbulb--25936.md) (Pro)
- [Lightbulb — Plump Neon](/icons/download/lightbulb--30966.md) (Pro)
- [Lightbulb — Plump Pop](/icons/download/lightbulb--31841.md) (Pro)
- [Lightbulb — Plump Duo](/icons/download/lightbulb--25920.md) (Pro)
- [Lightbulb — Plump Gradient](/icons/download/lightbulb--29822.md) (Pro)
- [Lightbulb — Plump Remix](/icons/download/lightbulb--30167.md) (Pro)

---

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