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Narration Box AI Voice Generator Logo[NARRATION BOX]

Convert any ebook into an audiobook

Upload an ebook, review the chapters Narration Box detects, assign narrators or cloned voices, then export a finished audiobook.

Detected chapters

Front matter00:42
Chapter 1: Departure17:28
Chapter 2: The Letter21:03
Chapter 3: A Quiet Decision19:46

Voice map

NarratorAriana / calm
EvelynCloned author voice
MateoSpanish accent
ExportMP3 / split chapters

Audiobook samples created from imported ebooks

Listen to short audiobook samples created from imported ebook text and see how chapters can be reviewed, voiced, and exported in Narration Box.

Fiction ebook sample

A short generated excerpt with steady long-form pacing.

00:00
00:32

Science fiction chapter

A public-domain chapter sample with a measured narrator voice.

00:00
00:32

Detective fiction sample

A crisp narration sample suited to chapter previews and review files.

00:00
00:32

How ebook to audiobook conversion works

This is the production path inside Narration Box: import the book, inspect the structure, direct the voices, and export files you can review or publish.

01

Upload ebook

Import PDF, DOCX, or TXT files instead of copying one chapter at a time.

02

Chapters detected automatically

Review the detected table of contents, split long sections, and rename chapters before generating.

03

Choose narrator or cloned voice

Pick an AI narrator, assign character voices, or use your own approved voice clone.

04

Adjust emotion, pacing, and pronunciation

Tune delivery by paragraph with style prompts, inline emotion cues, speed, accents, and pronunciation rules.

05

Export finished audiobook

Export the full book or separate chapters in MP3, WAV, Opus, FLAC, or OGG.

Edit every chapter before you generate the audiobook

Review imported chapters, assign voices, add style instructions, adjust paragraph delivery, and regenerate only the sections that need changes.

Chapter 4

1,775 words20 paragraphs
MMaribel
Describe your style. E.g. Speak in a British accent, use a warm regional accent, or speak in a calm and soothing voice...

However, these stories were never fully believed. Rumours of a wonderful farm continued to circulate in vague and distorted forms, and throughout that year a wave of rebelliousness ran through the countryside.

EEtta
[urgent] Keep the battle scene fast, but pause after the final sentence.

Early in October, when the corn was cut and stacked, a flight of birds came whirling through the air and alighted in the yard. Jones and his men were already approaching the five-barred gate.

EEtta
Speak warmly, speed 0.95x, pronounce Caesar as SEE-zer.

This had long been expected, and all preparations had been made. Snowball had studied an old book and was in charge of the defensive operations.

00:00 / 00:0012 / 25

Audiobook production features in one editor

Import chapters, assign narrators and character voices, guide delivery, edit chapter by chapter, and export audiobook-ready files from the same workspace.

Automatic chapter detection
Multiple narrators within one book
Character voice assignment
Emotion and delivery prompts
Inline emotion cues
Voice cloning
Per-paragraph voice, accent, and speed control
Multilingual narration
Chapter-by-chapter editing
Audiobook-ready exports

Direct every chapter, scene, and line

Use one ebook audiobook converter for narrator selection, character voice assignment, voice cloning, multilingual chapters, pronunciation, pacing, and emotional delivery.

[calm][excited][whispering](2s pause)speed 0.95xFrench accent

Character voices

Assign different voices to narrators, recurring characters, dialogue, or author notes.

Emotion cues

Add inline cues and style prompts where a scene needs restraint, tension, warmth, or urgency.

Paragraph controls

Change voice, accent, speed, and pronunciation at paragraph level without touching the rest of the book.

Multilingual narration

Create localized or bilingual audiobook chapters with voices across 80+ languages and accents.

Control how names, places, and story terms are spoken

Save pronunciation rules for recurring character names, locations, acronyms, invented words, and technical terms so audiobook chapters stay consistent from start to finish.

Chapter 7 · Pronunciation review

Manuscript preview

4 terms checked
the-last-mile · chapter 7Review before generation

Mara crossed the Aurelian Gate before dawn. Behind her, Dr. Elian Voss whispered the name of the old machine again: Caelora.

Saved pronunciation rules

Audiobook rulebook

CharacterSaved
Mara->mah-ruh
PlaceSaved
Aurelian Gate->aw-ray-lee-un gate
NameSaved
Elian Voss->ee-lee-un voss
Fictional termSaved
Caelora->kay-lor-uh
Saved once · reused across chapters · editable before generation

Custom Pronunciations are available with Enbee V1 voices. Many Enbee V2 voices already handle common words correctly.

Character names

Keep recurring narrators, characters, authors, and speaker names consistent across every chapter.

Fictional places and invented words

Control fantasy, sci-fi, historical, or brand-specific terms that appear throughout the book.

Technical and nonfiction terms

Set readings for acronyms, subject terms, course names, product names, and specialist vocabulary.

Convert PDF, DOCX, and text into audiobooks

Different ebook and manuscript formats import differently. Narration Box keeps the extracted book editable so you can clean up structure before generating audio.

DOCX to audiobook

Bring in Word manuscripts and convert headings into audiobook chapters. DOCX works well for authors still editing their book before final ebook layout.

Best for active manuscripts and editorial revisions.

Dedicated format page will be linked here when available.

PDF to audiobook

Convert PDF books, manuscripts, reports, and educational material into editable narration blocks. Review extracted text before generating audio because PDFs can include headers, footers, and page artifacts.

Best for manuscripts, guides, reports, and publisher proofs.

Dedicated format page will be linked here when available.

Text to audiobook

Paste or upload plain text when you want the most predictable import. Add chapter headings, assign narrators, then generate and export the audiobook.

Best for clean scripts, drafts, essays, and public-domain texts.

Open related page

Export and publish your finished audiobook

Review chapters independently, regenerate only the paragraphs that need changes, and export clean audio files for editing, mastering, or distribution.

the-last-mile-audiobook

Audio formats

MP3WAVOpusFLACOGG

Quality options

Standard 44.1 kHz / 192 kbps
High 48 kHz / 256 kbps

Complete book

Export one finished audiobook file for review or mastering.

Chapter-by-chapter

Export separate chapter files for corrections and distribution workflows.

Changed sections

Chapter 4Regenerate selected

3 paragraphs changed

Chapter 7Ready to export

Pronunciation updated

Author noteRegenerate selected

Voice clone revised

Export queue18 / 18 ready

Honest ACX disclosure

Narration Box can help you create and check audiobook audio, but ACX or Audible acceptance is not guaranteed. Review can depend on rights, metadata, audio mastering, narration policy, and marketplace decisions.

Check an export for ACX specs

Go deeper into ebook audiobook production

Use these related pages and guides to plan conversion, narration, voice cloning, and publishing checks.

Related blogs and tools

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Ebook to audiobook FAQ

Answers for authors, publishers, educators, and teams comparing AI ebook to audiobook converters.

How do I convert an ebook to an audiobook?

Upload a PDF, DOCX, or TXT file, review the detected chapters, choose narrators or a cloned voice, tune pronunciation and delivery, generate the audio, then export the finished audiobook as one file or by chapter.

Which ebook formats are supported?

Narration Box supports ebook and manuscript imports for PDF, DOCX, and TXT workflows on this page. After import, you can edit the extracted text before generating audio.

Can different characters use different voices?

Yes. You can assign different voices to characters, chapters, scenes, or individual paragraphs so dialogue and narration do not have to use one flat reader voice.

Can I clone my own voice for an ebook audiobook?

Yes. You can create a voice clone from your own voice or an approved, consented voice sample and use it for chapters, author notes, previews, and long-form narration.

Can chapters be exported separately?

Yes. You can export a full audiobook, selected blocks, or chapter-by-chapter files. This helps with review, mastering, corrections, and distribution workflows.

What audio formats are available?

Exports are available in MP3, WAV, Opus, FLAC, and OGG, with standard and high-quality export settings for editing, review, mastering, and distribution workflows.

Can I submit the audiobook to Audible or ACX?

You can prepare exports for ACX-style review and use the ACX checker, but Narration Box cannot promise marketplace acceptance. Audible and ACX decisions can depend on rights, metadata, narration policy, mastering, account status, and their current review process.

Convert your ebook into audiobook-ready chapters

Upload your book, review detected chapters, direct voices paragraph by paragraph, and export clean audio files when the narration is ready.