PNG ICO ICNS MORE
UI
Pixel
Fugue Icons
Unlock, Lock
DarkGoldenrod
16x16
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Desktop apps
Smooth
Ginux
Keys, Unlock
LightSlateGray
64x64
PNG MORE
3D
Free Applications Icons
Unlocked, password, Protection
Black
24x24
Mixed
Iconza
32x32
One bit
DarkGray
48x48
C9d
Comment, Accept, Unlock
Family & home
Cartoon
Kids
Unlock
128x128
User Interface Icons
Unlock, File
LightSteelBlue
80x80
Unlock, Folder
SandyBrown
Gold
Unlock, user
Lavender
Computer & hardware
Crystal Project
256x256
Futurosoft
Network & communications
Oxygen
Log in, password, Lock
Tan
Lock, Unlock, password
LightGray
ASP.NET icons
Function icons
Lock, Unlock, open
WhiteSmoke
Shopping & e-commerce
Siena
Blue, Unlock
Unlock, green
Unlock, red
Unlock, security
KDE Crystal Diamond
22x22
Nuove