Key black outline icon
Outline icon of a door key with a round bow and notched blade set on a diagonal
About the Key black outline icon
A classic door key drawn on a diagonal: a large round bow pierced by a small circular hole, a slim straight shaft, and a stepped, notched bit at the lower right. It stands for access, unlocking, permissions and safekeeping, and fits login and password fields, account security settings, hotel and rental booking apps, and real-estate listings.
The open circular bow balances the long shaft, so the mark stays readable at 16 px as long as the notches are kept shallow. Pair it with padlock, shield and door icons for a consistent security set, and switch to the filled style for active or unlocked states.
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.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
