Interface Essential

Images Photography

Money Shopping

Programming

Computer Devices

Phone

Mail

Map Travel

Food Drink

Nature Ecology

Entertainment

Shipping

Culture

Health

Work Education

Artificial Intelligence

Streamline 3.0

Ultimate

Core

Flex

Sharp

Plump

Micro

Freehand

Streamline Material

Nova

Cyber

Streamline Vault

Logos

Pixel

Google Material

Tabler

Remix

Feather

Iconoir

Carbon

Solar

Lucide

Brand Logos

Bootstrap

Atlas

Unicons

Ionic Icons

Phosphor

MingCute

Font Awesome

Majesticons

Mynaui

Radix

Heroicons

Flagpack

Rounded flat icon of a curved lightning bolt. Used for power, energy, charging, and weather interfaces.

Flash 3

Sharp hybrid solid and line icon of a bold lightning bolt. Used for flash, power, and energy.

Sharp duotone icon of a lightning bolt forming a downward arrow. Used for flash actions, downloads, and energy tools.

Clean flat icon of a lightning bolt above a downward arrow. Used for power, energy, downloads, and fast transfers.

Sharp line icon of a zigzag lightning bolt with rounded bends. Used for flash, lightning, power, and energy controls.

Rounded gradient icon of a stylized lightning bolt. Used for energy, power, speed, and charging.

Sharp line icon of an angular lightning bolt. Used for electricity, energy, charging, and power controls.

Flash 1

Flash 2

Sharp solid icon of a bold lightning bolt with angled zigzag sides. Used for flash, power, energy, and speed controls.

Rounded gradient icon of a chunky lightning bolt with softened corners. Used for power, electricity, speed, and energy controls.

Rounded flat icon of a chunky lightning bolt. Used for power, speed, energy, and flash controls.

Rounded flat icon of a chunky lightning bolt with bent zigzag shape. Used for power, speed, energy, and flash controls.

Rounded flat icon of a single lightning bolt with broad curved edges. Used for power, energy, charging, and speed.

Rounded gradient icon of a chunky lightning bolt. Used for energy, power, speed, and charging interfaces.

Rounded flat icon of a curved lightning bolt shape. Used for flash, power, speed, and energy controls.

Sharp hybrid solid and line icon of a bold angular lightning bolt. Used for flash, power, energy, and charging.

Sharp colored solid icon of a green bolt over a blue bolt. Used for energy, power, and electricity.

Sharp solid icon of a bold angular lightning bolt. Used for power, energy, speed, and electrical controls.

Sharp duotone icon of a lightning bolt with a blue outline and pale blue fill. Used for energy, power, and flash actions.

Sharp colored solid icon of a pink lightning bolt inside a blue lightning bolt. Used for energy, power, and speed.

Sharp neon icon of an angular lightning bolt with two pointed ends. Used for power, energy, speed, and electric features.

Sharp solid icon of a filled lightning bolt with angled sides and rounded corners. Used for power, energy, charging, and speed.

Sharp colored solid icon of a yellow lightning bolt over a blue zigzag shape. Used for electricity, power, and energy.

Vibrant creative, flat icon of a handheld flashlight with a red button. Used for lighting tools and flash controls.

Flash

Clean duotone icon of a lightning bolt. Used for electricity, power, energy, and charging.

Clean flat icon of a jagged lightning bolt. Used for power, energy, charging, and electricity interfaces.

Rounded solid icon of a bold lightning bolt. Used for flashes, electricity, energy, and power controls.

Sharp gradient icon of a bold lightning bolt. Used for power, energy, charging, and electric features.

Sharp hybrid solid and line icon of a lightning bolt outline with a hollow center. Used for power, charging, and energy.

Sharp duotone icon of a lightning bolt with blue outline and pale fill. Used for power, energy, and charging.

Rounded gradient icon of a chunky lightning bolt. Used for power, energy, speed, and flash actions.

Sharp solid icon of a filled lightning bolt. Used for energy, power, charging, and fast actions.

Rounded line icon of a flowing lightning bolt. Used for energy, electricity, power, and charging.

Rounded flat icon of a chunky lightning bolt. Used for flash, electricity, power, and fast actions.

Rounded duotone icon of a lightning bolt with a blue outline and pale blue fill. Used for flash, power, and energy actions.

Rounded gradient icon of a curved lightning bolt. Used for charging, energy, power, and fast actions.

Sharp flat icon of a stylized lightning bolt. Used for power, speed, energy, and flash controls.

Sharp hybrid solid and line icon of a zigzag lightning bolt. Used for energy, power, speed, and flash actions.

Rounded hybrid solid and line icon of a thick angular lightning bolt outline. Used for power, energy, and speed interfaces.

Clean line icon of a zigzag lightning bolt. Used for power, energy, charging, and electrical actions.

Rounded solid icon of a chunky zigzag lightning bolt. Used for lightning, power, energy, and flash actions.

Sharp solid icon of a lightning bolt. Used for power, energy, charging, and electrical controls.

Clean line icon of a zigzag lightning bolt. Used for energy, power, charging, and electricity controls.

Clean line icon of a zigzag lightning bolt. Used for energy, electricity, power, and fast actions.

Rounded colored solid icon of a cyan lightning bolt with a dark blue border. Used for power, energy, and speed.

Rounded duotone icon of a bold lightning bolt shape. Used for power, energy, charging, and quick actions.

Sharp flat icon of a bold zigzag lightning bolt. Used for lightning, electricity, power, and energy interfaces.

Rounded colored solid icon of a coral lightning bolt with a blue border. Used for power, charging, and energy.

Sharp gradient icon of a lightning bolt with angled sides and rounded ends. Used for power, energy, charging, and speed.

Clean duotone icon of a lightning bolt with a blue outline and pale center. Used for energy, power, and fast actions.

Sharp gradient icon of an angular lightning bolt with a red-to-orange fill. Used for power, energy, speed, and charging.

Rounded duotone icon of a lightning bolt and warning triangle with exclamation mark. Used for power alerts and hazards.

The Flash Warning icon shows a lightning bolt beside a warning triangle containing an exclamation mark. Drawn in the duotone style on a 14px grid with a 1px stroke for smooth, clear detail. Use it for electrical hazards, power alerts, energy warnings, safety notices, and emergency status indicators. It belongs to Flex Duo - Free set in the Flex family.

<p>[Free + Open-source] Flex is all about the curves. Its smooth curves brings fluidity and dynamism to your designs with a modern appeal.&nbsp;The Duo style is perfect for projects that require differentiation between actions, using color to convey meaning effectively. It also allows you to customize the line thickness.&nbsp;All Flex Duo icons are designed on a 14px grid with a 1px default stroke and two customizable colors. Licensed under the Creative Commons - CC BY 4.0</p>

Flex Duo - Free

<p>Flex is a fluid icon family inspired by nature’s curves. It favors smooth, flowing forms. More organic than Core and subtler than the chunky Plump. Read about the <a href="https://blog.streamlinehq.com/flex/" rel="noopener noreferrer" target="_blank">design process</a>.</p>

Flash Warning is a duo-style Icon from Flex Duo - Free set.