PNG SVG MORE
Signs & symbols
Glyph
Emergency signs
cross, sos, sign
Gold
512x512
PNG ICO SVG MORE
mark, emergency, sos
Code, electrocution, danger
sos, sign, radiation
509x512
PNG ICO MORE
Buttons
warning, Alert, danger
Goldenrod
Burn, Alert, warning
Black
dangerous, danger, Radioactive
Adware, malicious, virus
UI navigation
warn, danger, warning
Crimson
PNG ICO ICNS SVG MORE
Mixed
Basic icon element
danger, warning, safety
Free Misc Icon Set 2
Alert, problem, exclamation
Error, sign, fill
Amenities - Solid
Extinguisher, Burn, Flame
Simple darkcon
warning, Error, skull
324x512
problem, warning, Caution
PNG ICO ICNS MORE
Business & finance
48x48 Free Time Icons
Explosion, Atomic, danger
48x48
war, Military, danger
DarkSlateGray
Abort, exclamation, Up
Tomato
PNG MORE
24x24 Free Application Icons
danger
OrangeRed
24x24
stop, Abort, Block
Attack, Error, Alert
Error, sign, Blocked
Red
Desktop apps
16x16 Free Toolbar Icons
problem, warn, danger
16x16
