If you're looking for a tool that can create a voice clone from an audio sample with relatively little training or setup, Vocloner is a great option. This free online tool supports up to 18 languages and lets you upload an audio sample to create a clone with very little setup. It's geared for quick, easy use.
If you're looking for something more flexible, PlayHT offers more than 600 ultra-realistic AI voices across many languages and accents. It's got custom pronunciations, voice inflections and real-time voice cloning, so it's good for a variety of tasks including video voiceovers and conversational AI. The service also offers several pricing tiers, including a free version.