Within WhatsApp, go to Settings, then Chats and choose Voice message transcripts. Here you can turn transcriptions on or off and select your transcript language. WhatsApp says, “You can transcribe a voice message by long pressing on the message and tapping on ‘transcribe’.”

WhatsApp is introducing a new transcription feature that makes it easier (and more convenient) to communicate using voice messaging. The feature is rolling out globally to Android and iOS users “in the coming weeks” according to WhatsApp,

WhatsApp is rolling out voice message transcripts to all users in the coming weeks, the company announced Thursday. The feature—which others like Apple's Messages and Phone apps already offer—is useful when you receive a voice message but can't play it because you're on the move,