TTSMaker is a completely free online text-to-speech tool that supports unlimited usage, including commercial use.

With over 200 AI voices and support for multiple languages including English, French, German, Spanish, Arabic, Chinese, Japanese, Korean, Vietnamese, and more, you can choose from a variety of voice styles to read your text and e-books aloud.

You can also download the synthesized audio files. No registration or payment is required, you can use it directly online for free forever.