Features

Detailed book formatting, without the desktop-app lock-in.

Koberger is built around the indie publishing workflow: import the manuscript, organize the book, tune the format, preview the result, and export as often as revision requires.

Import

Manuscript intake

  • Import DOCX manuscripts into a new or existing project
  • Detect chapters, headings, and section breaks
  • Import and preserve common inline formatting where possible
  • Replace or re-import revised manuscripts during production
  • Keep Book Details separate from the source document

Editing

Rich text refinement

  • Bold and italic emphasis
  • Heading and subheading levels for book structure
  • Inline links and reference links
  • Block quotes, pull quotes, callouts, and takeaways
  • Checklists, images, and ebook-only social profile links
  • Scene breaks, ornamental breaks, and section breaks
  • Typography-aware import and export styling

Structure

Book organization

  • Drag-and-drop chapter and section ordering
  • Front matter, body matter, and back matter grouping
  • Add, rename, reorder, and remove sections
  • Mark ebook-only or print-only sections as print controls expand
  • Word counts and section status indicators
  • Reusable book part templates

Book parts

Front and back matter

  • Title page builder with curated layouts and ornament control
  • Copyright, half-title, dedication, and epigraph pages
  • Foreword, preface, introduction, prologue, and epilogue
  • Part dividers, afterword, acknowledgements, and endnotes
  • About the author, also-by, glossary, and bibliography
  • Appendix, reader guide, book-club questions, and custom blocks

Book Details

Publishing details

  • Title, subtitle, author, and publisher/imprint fields
  • ISBN, publisher, copyright, and publication details
  • Book description and publishing details
  • Cover upload and project cover management
  • Series name and volume number fields
  • Keep Book Details available across ebook and print outputs

Styles

Themes and presets

  • Professional starter styles for fiction and nonfiction
  • Typography, spacing, and chapter opening controls
  • First paragraph, drop cap, and scene-break ornament options
  • Section title and subtitle treatment options
  • Reusable presets per book or author brand
  • Preview style changes as you work

Print

Paperback setup

  • Trim size selection for common paperback formats
  • Margins, gutter, and bleed-aware setup
  • Header and footer configuration
  • Page numbering and blank page handling
  • Widow, orphan, and paragraph flow controls
  • Print PDF export workflow

Ebook

EPUB production

  • EPUB export from the same book project
  • Table of contents generation
  • Ebook-friendly section ordering
  • Cover and Book Details packaging
  • Reader-safe typography and spacing defaults
  • Pre-export checks for common ebook issues

Preview

Proofing views

  • Flip through the whole book like an e-reader, page by page
  • Preview on Kindle Paperwhite, iPad, and iPhone screens
  • Ebook reading preview and paperback print proof
  • Jump to any chapter or section as you review
  • Fast updates after manuscript or style changes
  • Review the whole project without leaving the browser

Export

Publishing files

  • Export EPUB, Print PDF, and DOCX (Word) files
  • Watermarked eARC EPUBs for advance reader copies
  • Unlimited exports on Koberger Pro — no per-export credits
  • Export again after every proofreading change
  • Separate ebook and print outputs from one source project
  • Pre-export checks for common file issues

Revision

Production workflow

  • Projects stay editable after export
  • Update Book Details, sections, styles, and files as a book evolves
  • Designed for repeated proofing passes
  • Find and replace across book content
  • Useful for backlist refreshes and new editions

Team

Web app advantages

  • Runs in a modern browser on Windows, Mac, and Linux
  • No native desktop install required
  • Account-based access to publishing projects
  • Continuous formatting improvements without manual app updates
  • Focused on production, not AI-generated prose

Deeper controls

For authors who want to inspect every step.

The goal is a workflow that feels simple on the surface, but still gives detail-oriented authors the controls they expect when a book is close to launch.

Per-section customization

  • Edit section titles and chapter subtitles
  • Show or hide the chapter number, title, or subtitle
  • Show or hide a section heading
  • Include or exclude any section from the ebook or print output independently
  • Move sections between front matter, body, and back matter

Proofing and export checks

  • Check missing Book Details before export
  • Flag missing cover or ISBN details where relevant
  • Review table of contents structure
  • Spot print layout issues before final upload
  • Export repeatedly while proofreading

Author-brand workflow

  • Reuse presets across a series or backlist
  • Keep author, imprint, and publisher details consistent
  • Prepare multiple formats from one book project
  • Refresh older titles with newer styling
  • Build repeatable production habits

Differentiators

Built for authors who publish more than once.

Web-based workflow Use Koberger without buying a specific computer or installing native publishing software.
Unlimited exports Make proofreading changes, export again, and keep iterating without watching a meter.
Book-aware structure Chapters, front matter, back matter, Book Details, covers, styling, and exports are treated as one project.
Focused by design No AI prose generator and no sprawling design studio. Koberger stays close to formatting and production.
Upgrade path ready Deeper print controls, Style presets, proofing checks, and export improvements all live inside the same project model.

Start publishing

Bring one manuscript. Build every format from there.

Create a project, preview the formatting workflow, and keep exporting as your proofing pass improves the book.