Text to Speech for Writers: Hear Your Draft Read by a Cast

From Word, Scrivener or Google Docs to audio

Most writing apps give you a file the studio can read. In Word, save the chapter as a .docx; Heading 1 titles or lines like “Chapter 12” become chapters. In Google Docs, use File > Download > Microsoft Word (.docx). In Scrivener, choose File > Compile, set Compile for to Word or ePub, and untick everything except the chapters you're revising. An ePub compile carries its own contents page, so chapters usually arrive already separated; check the list either way.

Or skip the file and paste a scene into the studio. Upload only DRM-free files of your own writing. For details on each route, see Word to audiobook and Google Docs to audiobook.

A cast exposes unclear dialogue tags

Here is the part a one-voice reader can't do. Speaker detection is AI-based: it reads your tags and action beats the way an attentive reader would and assigns every line to a character. When it gets one wrong, that's often a sign a reader could too. Take this draft, written for this page:

Nell set the tray down. Ivo and Marguerite were already arguing. “You told her,” Ivo said. “Someone had to.” “Not you.” “Then who?” She poured the tea without looking at either of them.

Who says “Then who?” If the studio hands it to Nell because of the “she” that follows, you've found a real ambiguity: both women are in the room. Hearing it in Nell's voice when you meant Marguerite makes the problem impossible to miss. Fix the page by naming the beat (“Marguerite poured the tea…”), and the audio follows. Detection can also simply err, so treat each misattribution as a question about your prose, not a verdict on it.

Rhythm, repetition and typos you only hear

Listening is best at the faults your eye glides over: doubled or missing words, a run of sentences the same length, three “just”s in a page, an accidental rhyme, a name that's hard to say. It also tells you whether dialogue sounds like speech. If a line makes you wince in a character's voice, it will make a reader wince too.

It has limits. A voice reads “their” and “there” the same way, so homophone slips need a spellchecker or a second reader. And a voice may stumble over an invented name that's spelled just as you intend; that's the voice, not your typo.

Listening on a walk: an MP3 per chapter

Many writers do their best editing away from the desk. Export one MP3 per chapter, or a ZIP of the chapters you're revising, and listen on a walk with a notes app open. Jot the timestamp and a word or two, then fix the manuscript when you're back. If you change a line and want to hear it again, edit it in the studio and regenerate just that line.

Compared with Word Read Aloud and Scrivener's built-in speech

There's no single best text to speech app for writers, and free read-aloud tools are good at what they do. Word reads from the cursor in a single voice; Scrivener text to speech runs through Edit > Speech > Start Speaking on Mac and Windows, using your computer's built-in voices. Both are instant and suit line-by-line proofreading of a paragraph you've just fixed.

What they don't do is cast. One voice reads every character, so they can't tell you whether your dialogue attribution holds up, and the speech plays live rather than as a file you keep. That makes FullCastBook a complement rather than a replacement: built-in speech for quick line edits, a cast for whole chapters. If you want someone to read my book aloud with a voice for every character, that's the job a cast does.

Free credits cover a short chapter

Free credits on sign-up, no card needed, cover a short sample chapter, which is the right size for a first listening pass. Credits are counted by the characters voiced, so a revision chapter costs far less than a whole book; the plans cover longer manuscripts. Your text is used only to provide the service, never to train our own AI models.

When the draft is done and you want a sample to share with readers or an agent, see the audiobook sample generator. And for how the studio turns text into a cast step by step, read how it works.