Authentication User Key black outline icon
User avatar overlapped by a large horizontal key with a round bow and toothed blade
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About the Authentication User Key black outline icon
A simple user avatar with a round head and shoulders sits behind a large horizontal key whose circular bow overlaps the figure and whose toothed blade runs to the right edge. The combination reads as identity verification, account access and login permission. Use it for sign-in and two-factor screens, password manager apps, admin role settings, user permission tables, and security sections of a SaaS marketing site.
The key is drawn at nearly the same scale as the person, so neither element dominates, and the small hole in the bow keeps the classic keyhole cue. The avatar silhouette matches the user, profile and team icons elsewhere in the library. Use 32px or larger so the key teeth do not blur into a solid bar.
This is the black outline version of the authentication user 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.
