PNG ICO MORE
Signs & symbols
Glyph
Buttons
Cloud, tick, ok
Black
512x512
protect, shield, ok
OliveDrab
play, Multimedia, player
SteelBlue
PNG ICO ICNS SVG MORE
Business & finance
Free Misc Icon Set 1
good, Check, ok
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UI
Round UI Buttons
Circular, Accept, Go
Tomato
ok, tick, yes
tick, yes, Go
DeepSkyBlue
PNG MORE
Elysium Icons
mark, approve, Check
DimGray
24x24
Network & communications
Communication & Technology
ok, speech bubble, Bubble
Typicons
tick
Desktop apps
16x16 Free Toolbar Icons
ok, tick, Blue
DodgerBlue
16x16