Adjust the tone of an audio file to a higher or lower frequency. The resulting audio will maintain its original quality while featuring the desired pitch alteration.
Voiceful is an online service that converts text to speech and allows you to change the voice to a kid or adjust the pitch. It offers free and paid plans and is available through the website, macOS, Windows, and API. The only obstacle is that an email is required. With around 60,000 monthly visits, Voiceful aims to help people communicate better by creating new ways of expressing themselves.
