Simple Icons

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

Sharp solid icon of a white angular K inside a black rounded square. Used for Keystone branding and app navigation.

Keystone

Tunnel Arc Gate

Cloud Key

Clean line icon of an anchor with a ring, crossbar, shaft, and curved arms. Used for boats, mooring, and navigation.

Anchor

Sharp line icon of a circular-headed key with a long angular shaft and two notches. Used for access, passwords, and security.

Clean line icon of a circular key with a toothed shaft. Used for passwords, access, and security.

Component Car Key

Clean line icon of a tilted key fob with two bars, a ring, and a short shaft. Used for car keys, access, and vehicle controls.

Clean line icon of three rings and a magnifying glass in a two-by-two arrangement. Used for search controls and grid layouts.

Action Key

Clean line icon of four circles in a grid, with a handle on the lower-right circle. Used for search, zoom, and action menus.

Sharp line icon of three rings and a magnifying glass arranged in a square. Used for action menus, tool controls, and search.

Rounded solid icon of an anchor with a ring, shaft, crossbar, and curved arms. Used for boats, docks, and nautical apps.

Anchor Fill

Clean solid icon of a filled anchor with a ring, shaft, crossbar, and curved arms. Used for boating, marine, and mooring.

File Key

Key Circle

Rounded solid icon of a key with a circular bow and two notches. Used for passwords, access, and security.

Key Fill

Clean line icon of a key crossed by a diagonal slash. Used for disabled keys, access controls, and security settings.

Key Off

Sharp line icon of a key crossed by a diagonal slash. Used for disabled keys, access denial, and security settings.

Clean line icon of a key crossed by a diagonal slash. Used for disabled keys, access removal, and security settings.

Sharp line icon of a vertical key with a circular bow and angular teeth. Used for keys, access, security, and authentication.

Key Vertical

Clean line icon of a vertical key with a round bow and zigzag teeth. Used for passwords, access, locks, and security interfaces.

Clean line icon of rows of rectangular keys with a long center bar. Used for keyboard visualizers, shortcut displays.

Key Visualizer

Clean line icon of a rounded square outline beside two vertical bars. Used for overview panels, layouts, and navigation.

Overview Key

Clean line icon of a rounded security key with a circular button and USB connector. Used for authentication and access.

Security Key

Clean line icon of a security key with a round dot and lower stem. Used for access and authentication.

Sharp line icon of a rectangular security key with square cutouts and a lower stem. Used for authentication and access control.

Clean line icon of a vertical key with round bow and right-facing toothed shaft. Used for VPN access, passwords, and security.

Vpn Key

Clean creative icon of a white angular K inside a rounded cyan square. Used for KeystoneJS, CMS, and developer tools.

Keystonejs

Clean line icon of an outlined keyboard key labeled ALT. Used for keyboard shortcuts, accessibility, and modifier-key controls.

Keyboard Button Alt

Clean flat icon of a key over connected blocks. Used for alignment, key objects, and layout design.

Align Key Object

Clean line icon of connected square nodes and a diagonal key. Used for alignment, positioning, and design UI.

Rounded solid icon of three dots and a magnifying glass in a 2x2 arrangement. Used for action menus and search controls.

Action Key Fill

Database Server Key

File Key 1

Hotel Car Key

Rounded solid icon of a key with a diagonal slash. Used for disabled keys, revoked access, and security settings.

Key Off Fill

Clean solid icon of a key crossed by a diagonal slash. Used for disabled keys, access restrictions, and security settings.

Clean line icon of a key inside a broken circular ring. Used for password access, login security, and authentication.

Key Password Access

Rounded solid icon of a vertical key with a circular bow and two teeth. Used for passwords, access, and security.

Key Vertical Fill

Rounded solid icon of five rows of rounded bars, narrowing to one long center bar. Used for audio and music controls.

Key Visualizer Fill

Sharp solid icon of five rows of rectangular keys. Used for keyboard layouts, key mapping, and input settings.

The Keystone icon shows a bold white angular K centered inside a black rounded square. Drawn in the solid style on a 24px grid for a crisp, scalable brand mark. Use it for Keystone branding, developer tools, blockchain interfaces, documentation, and app navigation. It belongs to Simple Icons free set in the Brand Logos family.

<p>3,000+ Free Open source SVG icons for popular brands, by the Simple Icons Collaborators.</p>

<p>Free Open source SVG icons for popular brands.</p>

Keystone is a solid-style Icon from Simple Icons set.