Onomastic

Onomastic uses large language models to analyze full-length manuscripts and automatically generate structured, professional-quality book indexes. The AI identifies key concepts, names, themes, and cross-references, then presents them in an editor where authors and publishers retain full control over structure, tone, and quality. What traditionally takes a professional indexer days and costs thousands of dollars, Onomastic delivers in minutes — giving publishers a faster path to print without sacrificing quality.

• LLM-powered analysis that extracts key concepts, names, themes, and cross-references from full manuscripts
• Professional-quality indexes generated in minutes — replacing a process that traditionally takes days
• Simple editor to refine results, giving authors and publishers full control over structure and quality
• Designed for the publishing workflow — works with the formats and timelines publishers actually use