Key black outline icon
Notched door key set diagonally inside a circular frame
About the Key black outline icon
A classic door key lies on the diagonal inside a thin circular frame: a rounded square bow with a single ring hole at the top right, and a long shaft ending in a stepped, notched blade at the lower left. It stands for access, unlocking, passwords and security. Use it for login and password screens, account recovery flows, permission settings, property and rental listings, and hotel or booking apps.
The 45-degree tilt fills the circle edge to edge and makes the mark feel dynamic rather than static, while the notches give the blade clear rhythm. The bow's open hole reads as the focal point. Pairs with padlock, shield, fingerprint and door icons; at small sizes the notches flatten, so 24px is a sensible minimum.
This is the black outline version of the key icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Download it free as a scalable SVG vector or transparent-background PNG in seven sizes (16 to 512px), copy the SVG code straight into your project, or open it in the free online editor to change colors, apply gold, silver, neon and gradient styles, animate it, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
