Features
Everything to turn text into speech
tonvio is an AI voice generator: paste up to 200,000 characters per job (plan-dependent), choose one of 14,000+ realistic voices and download a ready MP3 — no studio, no announcer, no editing.
Text to voice in minutes
Paste your text — an article, a script or several book chapters — and tonvio reads it in a natural, steady voice. A few minutes later the MP3 is ready: download it and publish anywhere — YouTube, podcasts, ads, online courses.
- Up to 200,000 characters per job, depending on plan
- Ready MP3 as the result
- Job queue and generation history in your dashboard
14,000+ realistic voices with previews
A catalog of natural sounding voices — male and female, different ages and characters. Listen to a live preview of every voice before generating, filter by gender, age and genre, and keep your favorites at hand.
- Live preview for every voice
- Filters by gender, age and genre
- Favorites for quick access
Whole books in one job
Long texts without manual stitching: one even narrator tone from the first chapter to the last. Queue several jobs at once — every finished file stays in your history for 90 days on subscriptions.
- Even narration across long texts
- Job queue for large projects
- History keeps every finished file
Multi-voice dialogues by character
Character voiceover is live: paste a story or a script — tonvio splits it into character lines and narrator text automatically. Every character speaks in its own voice, the narrator reads in your base voice, and any fragment can be reassigned or re-generated separately.
- Automatic character detection in the text
- A separate voice for every character — pick from 14,000+
- Re-voice one character without touching the rest
Voice cloning
Upload a voice sample and get a private clone that works like any catalog voice — narrate videos, courses and audiobooks in a voice that is yours. Clone only your own voice or one you have written consent to use.
- A short sample is enough to start
- The clone is visible only to you
- Clone slots depend on your plan
Translate & voice over
One text becomes up to three languages at once: tonvio translates it and voices every version — a ready MP3 per language plus the original track, grouped together in your history.
- 1–3 target languages per run
- A separate MP3 for every language
- The original track stays alongside the translations
Batch generation
Queue several texts as one group — each with its own voice and settings. The group lives in your history as a folder, and parallel streams get the whole set done faster.
- 5–20 texts per group, depending on plan
- Own voice and settings for every text
- The group is stored as one folder in history
How it works
- 01
Paste your text
A post, an article or several book chapters in one go.
- 02
Pick a voice
Listen to previews and filter 14,000+ voices by gender and age.
- 03
Start the generation
The job runs in the cloud — track it in the queue.
- 04
Download the MP3
A ready file you can publish anywhere.
Try tonvio free
Your first voiceover is free: paste a text, pick a voice and hear the result in a few minutes.
More on the home page: AI text to speech online.