PNG ICO ICNS SVG MORE
Mixed
Outline
Essential Line icons
Check, check mark, done
Black
512x512
Interface
Check, Browser, Certified
interface, Check, checkmark
Filled outline
Line color mix Vol.1
Electric, Check, bulb
OldLace
Line color mix Vol.2
Electric, Light bulb, new idea
Mayssam
improved, Improve, good
Glyph
Simple files
success, Accept, Check
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Flat
Office Vol.3
Check, test, invoice
DimGray
Orbicons (Free)
Agree, approval, approve
LightSeaGreen
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Cartoon
Monochrome Icon
Business, ok, internet
478x512
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Anchor
Check
MediumAquamarine
128x128
Sympletts - Free Vol.1
Check, checkmark, Circle
Handdrawn
Social Messaging & Productivity
yes, ok, tick
Icons Solid
Check, Cloud
Material Core
Box, Check
Box, Blank, Check
Check, Circle, Blank
Circle, Check
Check, Circle
Geomicons
Octicons
384x512
Iconic
DarkSlateGray