Baby giggle sounds have become a staple of online video because laughter from a young child is instantly recognisable and universally understood, needing no language or context to work. Clips like this circulate widely on soundboards and in short-form videos, where creators reuse them to signal innocence, joy or a lighthearted payoff. Their appeal has lasted because the reaction they provoke is immediate and emotional, making them a reliable shortcut for wholesome humour in memes, family edits and reaction videos across platforms.