No Lock Sign color outline icon
Padlock inside a circle with a diagonal bar, meaning locking is not allowed
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About the No Lock Sign color outline icon
A square-bodied padlock with a rounded shackle and a small keyhole sits inside a circle crossed by a diagonal bar. The pairing reads as locking not permitted or access left open, so it works on emergency exit and fire door notices, storage and gym locker rules, unlocked or unsecured status states in an app, and slides about open data or removed restrictions.
The padlock is centered and squared off, giving the diagonal stroke a clean run across the body without hiding the keyhole. Use it opposite a plain padlock icon to contrast locked and unlocked states, and give it at least 24 px so the shackle stays distinct from the ring.
This is the colour outline version of the no lock sign icon: the same line drawing in an accent colour, useful for highlighting a state, a category or a brand tone without adding visual weight.
Get it free as an SVG vector or transparent PNG (16-512px), copy the SVG code, or restyle it in the free online editor — recolor any part, add gold, neon or gradient effects, animate it, or export EPS, PDF and DXF.
Free for personal and commercial use with attribution.
