Interface Essential

Technology

Artificial Intelligence

Computers Devices Electronics

Programing Apps Websites

Internet Networks Servers

Business Products

Work Office Companies

Money Payments Finance

Shopping Ecommerce

Shipping Delivery

Typeface

Content

Design

Images Photography

Music Audio

Video Movies TV

Files Folders

Users

Avatars

Emails

Phones Mobile Devices

Messages Chat Smileys

Social Medias Rewards Rating

Travel

Hotels Spas

Wayfinding

Food Drinks

Furnitures Decoration

Lamps Lights Fire

Clothes Footwear Accessories

Tools Constructions

Ecology

Nature Farming

Pets Animals

Weather

Health Beauty

School Learning

Science

Culture Religion

Romance

Family Babies Kids

Holidays

Sports

Outdoors Recreation

Entertainment Events Hobbies

Video Games

Crime War Protection

Transportation

Maps Navigation

Building Construction

Landmarks

Real Estate

Arrows Diagrams

Logos

Cannabis

Streamline 3.0

Ultimate

Core

Flex

Sharp

Plump

Micro

Freehand

Streamline Material

Nova

Cyber

Streamline Vault

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

Clean line icon of a rounded capital O. Used for typography, alphabet labels, and text interfaces.

Sharp line icon of a large O with a smaller superscript 2. Used for oxygen, chemistry, and science.

Rounded line icon of a large O with a smaller 2 positioned at its lower right. Used for oxygen, chemistry, and science labels.

Blood Drop Type O

Power Outlet Type O

Opera Logo

Number Zero Square

Number Zero Circle

Rounded solid icon of a large O with a smaller subscript 2. Used for oxygen, chemistry, and science labels.

O2 Fill

Sharp solid icon of a large O with a smaller 2 at lower right. Used for chemistry, formulas, and science UI.

Clean solid icon of a large O with a smaller 2 set at the lower right. Used for oxygen, chemistry, and science.

Pollution O2

Pollution O 2

Kai OS Logo

Oxygen Tank O2 1

Oxygen Tank O2 2

Pollution O2 Message

Pollution O 2 Message

<p>Bold style features strong, solid shapes for instant recognition. It gives excellent legibility on dark backgrounds.</p>

Ultimate Bold

<p>The world's largest icon family with encyclopedic coverage. Designed over twelve years, Ultimate offers every concept from common to rare icons. It's a neutral style and fits most use cases.&nbsp;</p>

The encyclopedia of icons

O is a solid-style Icon from Ultimate Bold set.

Download O SVG vector or transparent PNG icon in Solid, Filled, Bold, Glyph style(s) for Sketch and Figma. It belongs to Ultimate Bold vectors SVG collection.