---
title: "Lightbulb Icon | Free Download PNG & SVG | Core Gradient - Free"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/lightbulb--29645
canonical_url: "https://www.streamlinehq.com/icons/download/lightbulb--29645"
summary: "Minimal gradient icon of a lightbulb with a round top, rounded base, and separate bar. Used for ideas, tips, and lighting."
---

# Lightbulb icon

The Lightbulb icon shows a round bulb shape above a rounded base and a separate horizontal bar. Drawn in the gradient style on a 14px grid for clear, airy proportions. Use it for ideas, tips, inspiration, lighting controls, and educational interfaces. It belongs to Core Gradient - Free set in the Core family.

## Preview

![Minimal gradient icon of a lightbulb with a round top, rounded base, and separate bar. Used for ideas, tips, and lighting.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/core-gradient-free/interface-essential/interface-essential/lightbulb-8yg5pzn44i63zczogs3d8u.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Lightbulb
- **Type**: Icon
- **Set**: [Core Gradient - Free](/icons/core-gradient-free.md) — [Free + Open-source] Core is the Helvetica of icons. The Free Gradient variant features smooth color gradients on the minimal design. Licensed under the Creative Commons - CC BY 4.0
- **Family**: [Core](/icons/core-sets.md) — Minimal icons
- **Style**: Gradient
- **Category**: Interface Essential › Interface Essential
- **Default size**: 14px
- **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, lighting, filament, bright, incandescent, illuminate, electricity, invention, energy, illumination, innovation, inspiration, concept, creativity, idea, design

## Download

- [Download Lightbulb on Streamline](https://www.streamlinehq.com/icons/download/lightbulb--29645)

## Also available in other styles

- [Lightbulb — Core Line - Free](/icons/download/lightbulb--26733.md) (Free)
- [Lightbulb — Core Duo - Free](/icons/download/lightbulb--26749.md) (Free)
- [Lightbulb — Core Solid - Free](/icons/download/lightbulb--26750.md) (Free)
- [Lightbulb — Core Pop - Free](/icons/download/lightbulb--31924.md) (Free)
- [Lightbulb — Core Flat - Free](/icons/download/lightbulb--26781.md) (Free)
- [Lightbulb — Core Neon - Free](/icons/download/lightbulb--31906.md) (Free)
- [Lightbulb — Core Remix - Free](/icons/download/lightbulb--29661.md) (Free)

---

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