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Tonvio

Online text-to-speech tool for stories and audiobook production

freemium
Last Updated 9/11/2026

About Tonvio

Tonvio is an online text-to-speech tool that converts short stories or complete audiobook texts into MP3. Users can choose from over 14,000 voices and select one through real-time preview, gender and age filters, favorites, and quick comparison. A single task can process up to 100,000 characters; subscription plans offer different experiences based on generation speed.

Best for

Story creators
Audiobook producers
Voiceover producers

Best use cases

Story text to speech

Audiobook audio production

Online voiceover generation

Voice audition and selection

Features

Large-scale voice catalog

Offers over 14,000 voices and lets you choose the desired voice.

Long-text generation

Processes up to 100,000 characters per task and assembles them into an audio file.

Voice preview and filtering

Supports real-time preview, filtering by gender and age, favorites, and quick comparison.

Voice cloning

The Unlimited plan includes 1 voice-cloning slot.

Pros

  • Over 14,000 voice options
  • Up to 100,000 characters per task
  • Real-time preview, filtering, favorites, and quick comparison
  • Direct MP3 audio file generation

Cons

  • Payment is made with cryptocurrency

Pricing Plans

Unlimited

$45/ momonth
  • Unlimited characters
  • Up to 75k characters per segment
  • 3 active slots and 50 queue slots
  • 90-day file storage
  • All voices and engines
  • Voice cloning: 1

* Pricing information is for reference only. Please refer to the latest announcement on Tonvio's official website.

FAQ

Yes. Each new account gets a one-time 10,000-character welcome credit, usable for standard voiceover, Character dubbing, or Translation.
The official page states that payment is made with cryptocurrency, including BTC, USDT, ETH, etc.; subscriptions are prepaid for 30 days and do not renew automatically.

Tool Information

DeveloperTonvio
Release Date9/11/2026
Pricingfreemium