Castory | Create AI Audiobooks with Multi-Character Voices
Castory is an AI audiobook production platform for authors and publishers. Transform manuscripts into professionally structured audiobooks with chapter-level control, consistent narration, and production-ready audio — designed for publishing workflows and global distribution with AI.
What Is Castory?
Castory is an AI audiobook generator and production platform built for authors and publishers. It transforms manuscripts into structured, chapter-based audiobooks with consistent narration and production-ready audio. Castory supports the full audiobook creation workflow — from text preparation to final audio — making it easier to produce audiobooks suitable for publishing and distribution.
Audiobook Production, Not Just Audio Generation
Castory supports the end-to-end audiobook production process, emphasizing structure, pacing, and consistency across chapters rather than isolated audio clips.
Chapter-Based Audiobook Creation
Manuscripts are organized by chapters and sections, allowing precise control over narration flow and making large-scale audiobook creation manageable and repeatable.
Consistent AI Narration Across the Book
Castory applies a stable narration approach throughout the entire audiobook, ensuring a coherent listening experience suitable for long-form publishing.
Production-Ready Audio for Publishing
The generated audio is designed to meet common audiobook publishing standards, making it suitable for distribution across major audiobook platforms.
Why Choose Castory?
Castory is built for authors and publishers who need a reliable way to produce audiobooks at scale. It focuses on practical production needs — clear structure, consistent narration, and efficient workflows — helping creators turn books into audiobooks without adding complexity to the publishing process.
How to Create an Audiobook with AI — The Production Way
Castory follows a structured AI audiobook workflow that guides authors from text input to complete audiobook output, supporting efficient and controlled audiobook production.
Upload or Input Your Manuscript
Upload text files or paste content directly to begin the audiobook creation process.
AI Analysis and Narration Planning
AI analyzes the content structure and assists in matching suitable narration voices across chapters.
Review and Confirm Before Production
Preview narration settings, make adjustments, and confirm details before generating the full audiobook.
Preview and Export the Complete Audiobook
Listen to the audiobook online and export the finalized audio for publishing and distribution.
Key Features of Castory
Castory provides essential features for efficient audiobook production, helping authors and publishers transform written content into structured, production-ready audiobooks with clarity and control.
Multi-Role Audiobook Narration
Supports multiple narration roles within a single audiobook, enabling clear distinction between dialogue, narration, and character voices.
One-Click Audiobook Export
Generate complete audiobook files in a single step, producing consistent audio output ready for review and distribution.
50+ Voices for Global Audiobooks
Offers a diverse library of over 50 AI voices, supporting multilingual and international audiobook creation needs.
AI-Assisted Narrator Matching
Uses AI-assisted guidance to help select suitable narration voices based on content structure and audiobook style.
Support for 10+ Document Formats
Accepts common manuscript formats including PDF and other widely used document types for audiobook creation.
Long-Form Audiobook Support up to 100,000 Characters
Handles long-form content in a single workflow, supporting audiobook creation for full-length books and extended manuscripts.
AI Audiobook Creation Designed for Real Publishing
Castory is built with publishing requirements in mind, supporting audiobook creation that fits real-world distribution standards. It helps authors and publishers produce structured, consistent audiobooks suitable for review, approval, and release across major audiobook platforms.
Structured Audio Aligned with Publishing Standards
Audiobooks are generated with clear chapter boundaries and organized narration, supporting common audiobook review and submission requirements.
Consistency for Long-Form Listening
Castory maintains stable narration across the entire book, ensuring a coherent listening experience expected in professionally published audiobooks.
Ready for Review, Approval, and Release
The output is designed to move smoothly through publishing workflows, making it easier to review, finalize, and prepare audiobooks for distribution.
Built for Book-to-Audiobook Production
Castory is designed to handle the transition from written content to spoken audio. It supports the practical steps required to adapt books for listening, helping creators manage narrative flow, dialogue, and pacing throughout the audiobook creation process.
Built Around Written Content, Not Audio Fragments
Castory starts from books and manuscripts, treating text structure as the foundation for audiobook creation rather than isolated audio outputs.
Supports Narrative Flow and Dialogue Handling
The system helps manage narration and spoken content across chapters, supporting smooth transitions between narrative text and dialogue.
Designed for Long-Form Content Conversion
Castory accommodates the scale and continuity of full-length books, making it suitable for converting long manuscripts into complete audiobooks.
Castory FAQs
Have another question? Contact us on Discord or by email.
Use AI to Create an Audiobook with Castory
Castory provides a clear, structured way to create audiobooks built for real publishing needs. Start with your manuscript, review each step, and produce an audiobook you can confidently prepare for distribution.