Key black outline icon
Door key with an oval head and toothed blade inside a circular outline
About the Key black outline icon
A traditional door key sits diagonally inside a thin circle: a wide oval bow with a small round hole at the top left, a plain shank, and a blade cut with three square teeth at the lower right. It stands for access, unlocking and ownership, making it a fit for login and password fields, permission settings, subscription unlock states, real estate listings and hotel or rental apps.
The oval head is deliberately large so the key reads clearly even when the toothed tip thins out, and the circular frame gives it a button-ready silhouette. It pairs with padlock, shield and fingerprint icons. Use 24 px or above so the notches in the blade remain distinct.
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.
