Audiobook Generator

Convert any text into natural-sounding audiobook narration with our free offline audiobook generator. Powered by Kokoro TTS, this tool runs entirely in your browser — no API required, no data uploaded, works offline after initial setup.

Why use OfflineTTS for audiobooks:

• 54 voices across 9 languages — find the perfect narrator voice
• Batch generation — process entire chapters at once
• WAV export — studio-quality audio for post-production
• Free and unlimited — no per-character costs
• Private — your manuscript never leaves your device

Best voices for audiobook narration:

• Heart (A) — warm, engaging storytelling
• Bella (A-) — dynamic and expressive
• Emma (B-) — professional British narration

Audiobook production tips:

• Chapter-by-chapter workflow: Process one chapter at a time, export as WAV, then assemble in your DAW (Audacity, Reaper, Adobe Audition). This gives you control over pacing between chapters.
• Consistent voice quality: Use the same model size (q8 or fp32) throughout your entire audiobook. Switching model sizes mid-project creates noticeable quality differences.
• Punctuation as direction: Use commas for dramatic pauses, em-dashes for interruptions, and ellipses for trailing thoughts. The model interprets all of these as distinct prosodic cues.
• Dialogue formatting: For multi-character scenes, put each character's dialogue on a separate line. Generate each character's lines with a different voice, then mix them in post.
• Breath and pace: Add extra commas or periods where a human narrator would naturally breathe. Shorter sentences sound more like natural speech than long, breathless passages.

Simply paste your text, choose a voice, and generate. Download as WAV and use in your audio editing software.