PNG ICO ICNS MORE
UI
Glyph
Round UI Buttons
ok, tick, yes
OliveDrab
512x512
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Outline
Linecon
tick, success, yes
Black
PNG MORE
Elysium Icons
mark, approve, Check
DimGray
24x24
ikooni outline: Free Basic
checkmark, Check, complete
Watchify v1.0 - 70px
Affirmative, yes, check mark
Watchify v1.0 - 80px
yes, check mark, success
Free basic
Accept, checkmark, Check
DarkSeaGreen
Pixel
BWPX
success, ok, yes
Gray
18x18
Smooth
Check, correct, yes
ForestGreen
48x48
3D
Crystal Clear
agt, success, Action