Why Formatting Directly Affects Your Star Rating
Readers notice formatting problems even when they cannot name them. A widow — a single word dangling alone on the last line of a paragraph — feels amateurish. A missing chapter-break scene separator breaks immersion. Wrong print margins that cut into the gutter make the book physically uncomfortable to hold.
Research across 10,000 indie-published titles shows that professionally formatted books average 0.3 stars higher than DIY-formatted equivalents in the same genre. That gap may sound small, but on Amazon, 4.4★ versus 4.1★ is the difference between triggering also-bought recommendations and being buried.
The ARC timing problem
If reviewers receive a poorly formatted ARC, they will mention the formatting in their review — even if you fix it before publication. Always format before distributing advance copies.
Ebook vs. Print: Two Different Jobs
Ebook (EPUB / MOBI)
Reflowable text — the reader controls font size and layout. Your job is clean semantic HTML under the hood.
- ✓ Kindle (.mobi / KFX)
- ✓ EPUB for all other retailers
- ✓ Active TOC with hyperlinks
- ✓ Drop caps, chapter headers
Print (PDF / KDP Print)
Fixed layout — every page is locked. Trim size, bleed, and margins must match KDP print specs exactly.
- ✓ Common trim: 6×9 in (US trade)
- ✓ Inside margin ≥ 0.75 in (≥300 pages)
- ✓ Widow/orphan control
- ✓ Page numbers, running heads
You need both outputs if you plan to publish ebook + paperback (which you should — KDP paperback is free to list and paperback buyers are more likely to leave reviews). Most paid services quote for both together at a slight discount.
DIY Formatting Tools: Ranked
Vellum is the gold standard. Drag in your Word document, choose a style, and export production-ready EPUB and print PDF in minutes. The output quality matches or exceeds what most paid formatters produce. If you have a Mac and plan to publish more than 2–3 books, it pays for itself on the first title.
Atticus is a cloud-based writing + formatting tool. It produces clean ebook and print outputs on any platform. The built-in writing environment is a bonus for authors who want an all-in-one tool. Output quality is close to Vellum, with slightly fewer style choices.
Draft2Digital's free formatter produces acceptable EPUB files. It is primarily a distribution platform, and you can use the formatter without distributing through them. Style options are limited. Good for authors who need a free ebook-only solution and do not have Mac access.
Scrivener's compile feature is powerful but notoriously difficult to configure. The outputs often need manual cleanup. Use Scrivener for writing, but export to Word and format with Vellum or Atticus for final output.
Paid Formatting Services: What to Expect
Paid formatters make sense if you have a complex manuscript — lots of tables, illustrations, footnotes, or non-standard elements — or if you simply want to hand it off. Here is what the market looks like:
| Service Type | Ebook Cost | Print Cost | Turnaround |
|---|---|---|---|
| Reedsy marketplace freelancer | $150–$350 | $200–$450 | 5–10 days |
| Fiverr (mid-tier seller) | $50–$200 | $75–$250 | 3–7 days |
| BookBaby full service | $299+ | $399+ | 2–3 weeks |
| Scribe Media (premium) | $500+ | $800+ | 2–4 weeks |
Reedsy is the safest option for first-time outsourcers — formatters are vetted and the platform handles contracts and revisions.
The Most Common Formatting Mistakes (And How to Avoid Them)
Widows and Orphans
A widow is the last line of a paragraph sitting alone at the top of a new page. An orphan is the first line of a paragraph stranded at the bottom of a page before a break. Both signal amateur formatting. Vellum and Atticus handle this automatically. In Word, enable widow/orphan control under paragraph settings.
Wrong Margins for KDP Print
KDP requires a minimum inside (gutter) margin of 0.375 in for books under 150 pages, scaling up to 0.875 in for books over 700 pages. Authors who copy desktop document margins (usually 1 in all around) end up with text dangerously close to the binding on longer books.
Incorrect Trim Size
The most common trade paperback trim size is 6×9 inches. Submitting a manuscript sized for 8.5×11 (letter) is one of the most frequent KDP print errors. KDP will accept it but the output looks wrong — oversized text, too much white space.
Broken Hyperlinks in Ebooks
Ebooks must have a functioning table of contents with hyperlinks to each chapter. They should also link the back matter (author page, series page). Broken links appear in ebook reviews more often than authors expect.
Inconsistent Heading Hierarchy
Using ad-hoc bold text instead of proper Heading 1/2/3 styles breaks the EPUB structure. Screen readers and Kindle navigation depend on proper heading hierarchy. Always use Word styles before importing into any formatter.
The Correct Launch Sequence
Formatting fits into a specific window of the launch process. Getting the order wrong is expensive — reviewers who read a bad ARC cannot un-read it.
Finish and edit manuscript
Developmental edit → line edit → proofread
Format for ebook and print
Use Vellum, Atticus, or hire a formatter
Commission cover design
Ensure print cover matches your trim size
Distribute ARCs via iWrity
Readers review your polished, formatted book
Publish on KDP
Upload your already-reviewed, formatted files
Launch promotions
BookBub, newsletter swaps, Amazon ads
What a Professional Formatter Actually Does
What They Do
- ✓Strip and rebuild all Word styles from scratch
- ✓Set chapter openers with drop caps or ornaments
- ✓Control widow/orphan, hyphenation, and justification
- ✓Set correct margins, trim size, and bleed
- ✓Create front matter (title, copyright, TOC) and back matter
- ✓Export print-ready PDF and distribution-ready EPUB
- ✓Embed fonts and check EPUB validation
What They Don't Do
- ✗Edit or proofread your content
- ✗Write or redesign your cover
- ✗Fix plot problems or continuity errors
- ✗Submit to KDP on your behalf (usually)
- ✗Guarantee Amazon will approve the file first try
Frequently Asked Questions
What is the best book formatting software for indie authors?
Vellum (Mac only, $250 one-time) is widely considered the best for ebook formatting. Atticus ($147, cross-platform) is the top Windows-compatible alternative. Both produce professional EPUB and print-ready PDFs without design expertise.
How much does professional book formatting cost?
Ebook formatting typically costs $150–$400. Print interior formatting runs $200–$500. Reedsy marketplace connects you with vetted freelance formatters at these rates. DIY tools like Vellum or Atticus cost a one-time fee and can be used for unlimited books.
What formatting mistakes hurt Amazon reviews?
The most common mistakes are widows and orphans (single lines stranded at top or bottom of pages), wrong margin sizes for KDP print specs, incorrect trim sizes, missing or broken hyperlinks in ebooks, and inconsistent heading styles. These issues account for 34% of 1-star Amazon reviews.
Do I need separate formatting for ebook and print?
Yes. Ebooks (EPUB/MOBI) use reflowable text that adapts to screen size, while print books require fixed PDF layouts with specific trim sizes, bleed settings, and margin specs. Most tools and services handle both, but they are distinct outputs.
When should I get my book formatted relative to launch?
Format your book before the ARC (Advance Reader Copy) phase. Reviewers reading a poorly formatted ARC will mention it in their reviews. The sequence is: finish manuscript → format → design cover → distribute ARCs via iWrity → publish.
Can I use Scrivener for book formatting?
Scrivener's compile feature can produce basic EPUB and PDF outputs, but the results require significant manual cleanup to meet professional standards. It works for authors on a tight budget but is not recommended for polished final files.
Your Book Is Formatted. Now Get Reviews.
A perfectly formatted book still needs reviews to rank and convert. iWrity connects indie authors with vetted ARC readers who leave honest Amazon reviews — before or on launch day.
Start Getting ARC Reviews on iWrity