Kitten TTS is perfect for YouTube creators: free, no API costs, runs offline, and produces natural-sounding voiceovers with 8 distinct voices.

Why Kitten TTS for YouTube?

  • $0 cost: No per-character or per-minute fees. Generate unlimited voiceovers.
  • Offline: Works without internet. Perfect for travel or limited connectivity.
  • 8 voices: Bella, Jasper, Luna, Bruno, Rosie, Hugo, Kiki, Leo -- find the right tone.
  • Speed control: Adjust pacing from 0.5x to 2.0x for different content styles.
  • Batch: Generate all voiceovers for an entire video in one script.

YouTube Use Cases

Faceless Channels

Build automated YouTube channels with AI narration.

YouTube Shorts

Quick, punchy voiceovers for short-form content.

Tutorial Videos

Clear, instructional narration for how-to content.

Quick Start for YouTube

from kittentts import KittenTTS
model = KittenTTS("KittenML/kitten-tts-mini-0.8")

# Intro
model.generate_to_file("Welcome back to the channel!", "intro.wav", voice="Jasper")

# Main content
with open("script.txt") as f:
    for i, line in enumerate(f):
        model.generate_to_file(line.strip(), "segment_%d.wav" % i, voice="Bella")

# Outro
model.generate_to_file("Like and subscribe for more!", "outro.wav", voice="Rosie")