PNG ICO ICNS SVG MORE
Mixed
Glyph
Free Misc Icon Set 2
Error, sign, fill
Black
512x512
Error, Alarm, warning
UI
Outline
ikooni outline: Free Basic
Caution, Error, danger
Error, Caution, Alert
bitsies!
warning, Alarm, Alert
Simple Geometric Icons
Exit, delete, Close
Locations - Solid
training, ride, Bikes
Freeline
warning, flag, notice
Handdrawn
Social Messaging & Productivity
danger, Attention, Error
warning, no smoking, smoking
PNG SVG MORE
Simple darkcon
warning, Error, skull
324x512
problem, warning, Caution
Icons prohibition
prohibition sign, warning, impossible
prohibition sign, prevention, prohibiting sign
impossible, prohibition, prohibiting sign
roller skates, prohibition, impossible
prohibition, prevention, Cigarette
prohibiting sign, interdiction, prohibition
prohibiting sign, prohibition sign, impossible
impossible, prohibition sign, prevention
Bicycle, interdiction, prevention
prohibition sign, impossible, prohibition
Watchify v1.0 - 70px
Alert, warning, bell
Watchify v1.0 - 80px
bell, Alarm, warning