NarrAItor — Story, Book Interior & Audio Studio

📐 Choose Output Page Size

Active Page Size:

Your document is paginated at 100% 1:1 physical scale with KDP-safe binding gutters, running headers, and recto/verso page numbers:

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Destination: Save as PDF (or select your physical A4 printer)

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Margins: Default (or None) & Scale: Default (100%) NarrAItor locks the exact PDF canvas () and KDP safe margins via CSS @page rules.

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Options: Check "Background graphics" Ensures color banners, badges, callout boxes, and decorative rules appear while keeping page paper pure white for KDP.

1. Independent Developer Notice NarrAItor is an independent application developed by JH Software Solutions (J. Hayward). NarrAItor is not affiliated with, endorsed by, sponsored by, or operated by Amazon.com, Inc., Kindle Direct Publishing (KDP), Audible, Inc., ACX, Google LLC, IngramSpark, GS1, or any of their respective subsidiaries or affiliates.

2. Nominative Fair Use of Trademarks Third-party product names, logos, and trademarks—including Amazon, Kindle, Kindle Direct Publishing (KDP), ACX, Audible, IngramSpark, Google, and Gemini—remain the property of their respective trademark holders. Reference to these marks in NarrAItor is strictly for descriptive compatibility purposes (e.g., matching standard print-on-demand trim sizes, bleed specifications, audio broadcast requirements, and API client interfaces) under nominative fair use principles.

3. ISBN & Barcode Symbology Notice ISBN (International Standard Book Number) is an internationally regulated identifier. NarrAItor generates standard GS1/Bookland EAN-13 vector barcodes mathematically based on numbers entered by the user. NarrAItor does not issue, register, or assign official ISBNs. Authors must purchase or claim valid ISBNs through authorized national registration agencies (such as Bowker in the US, Thorpe-Bowker in Australia, Nielsen in the UK) or through their chosen publishing platform.

4. Local-First Privacy, Browser Cache & AI Data Handling All book drafts, manuscripts, audio takes, and revision histories are stored strictly on your local device (browser localStorage / IndexedDB). NarrAItor operates zero cloud databases and does not ingest or store user intellectual property. Warning: Clearing your browser cache/site data, switching browsers, or using Private/Incognito mode will permanently delete your local drafts and snapshots, and we cannot recover them—please use Save Project Backup regularly. Requests to the Google Gemini API are sent directly from your client using your own developer API key; per Google API enterprise terms, developer key data is not used to train public machine learning models.

5. Open Source Attributions NarrAItor utilizes open-source libraries: Paged.js (MIT, Coko Foundation), Marked.js (MIT), JSZip (MIT), and Google Fonts (SIL Open Font License). Full licenses are respected in accordance with their respective authors.

Current Active Tier: Free Mode

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📑 Chapters, Breaks & Book Structure

Core Engine

Command / Markdown	Behavior & Print Layout	Action
`# Chapter Title`	Starts a New Chapter on a fresh right-hand (recto) page. Resets running headers and activates decorative drop-cap on opening paragraph.
`# Chapter: Subtitle`	Subtitle Splitting: Colons (`:`) or em-dashes (`—`) automatically separate chapter number and subtitle for elegant two-line typography.
`# Prologue / # Preface`	Front Matter: Recognized keywords (Prologue, Preface, Introduction, Foreword, Before You Begin) format as unnumbered front matter with Roman numerals.
`# Epilogue / # Afterword`	Back Matter: Recognized keywords (Epilogue, Afterword, Conclusion, About the Author, Acknowledgments, Glossary) format as unnumbered back matter.
`# Title / Byline Block`	Document Title Header: Placing `# Title`, `## Subtitle`, and `by Author` at the very top sets book metadata automatically.
`# Unit / Lesson / Part`	Course & Educational Units: Automatically parses `Unit 1`, `Lesson 2`, or `Part IV` as structured numbered modules.
`# Glossary / Key Terms`	Reference Back Matter: Formats technical definitions, vocabulary, or key terminology lists.
`--- or ***`	Scene Break Divider: Inserts an ornamental book divider ornament or flourish between scenes without starting a new page.

🔤 Headings & Hierarchy

Sections

Command / Markdown	Behavior & Print Layout	Action
`## Section Title`	Major section heading within the current chapter. Does not cause a page break.
`### Subsection`	Minor subsection heading. Great for non-fiction, workbooks, and study guides.

💬 Quotes, Epigraphs & Callout Boxes

Styling

Command / Markdown	Behavior & Print Layout	Action
`> Quote text`	Chapter Epigraph or Blockquote: Indented margins with italicized serif type and quotation styling.
`> [!NOTE]`	Editorial Note Box: Highlighted informative callout card with decorative border.
`> [!TIP]`	Author Tip Box: Highlighted tip or takeaway box for guides and workbooks.

🖋️ Text Formatting & Lists

Typography

Command / Markdown	Behavior & Print Layout	Action
`bold text`	Bold weight emphasis using the active template's book font.
`italic text`	Italic font emphasis, dialogue emphasis, and book title references.
`- Item (Bullet list)`	Clean indented bullet list with typography calibrated to trim margins.
`1. Numbered List`	Sequenced numbered list with proportional numbers.

🏷️ Front Matter Metadata (YAML Header)

Automated Meta

Place this block at the very top of your manuscript. NarrAItor automatically parses these fields to populate your title page, copyright page, headers, and EPUB metadata.

---
title: The Starlight Archive
subtitle: A Sci-Fi Adventure
author: Jane Doe
publisher: Orion Publishing
year: 2026
isbn: 978-0-123456-47-2
---

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