Check the expiration or sell-by date
Look for cracks, leaks, or unusual shell damage
Smell the egg after cracking it
Discard if it has a strong sulfur, rotten, or foul odor
Check for unusual color changes in the egg white or yolk
Discard if the egg white is pink, green, or iridescent
Discard if the yolk or white looks moldy or slimy
Place the egg in water
Discard if it floats
Discard if it sinks but stands upright and smells off after cracking
Discard if the shell feels unusually sticky or powdery
Discard if the egg has been stored improperly or for too long
Discard if there is any sign of spoilage after cracking it open