Best Book Formatting Software 2025: Complete Roundup

By Robert Prime

Last reviewed by Robert Prime — March 2026

Table of Contents

• Introduction
• What You Need to Know Before Starting
• Step-by-Step Guide to Using Popular Formatting Software
• UK-Specific Considerations for Book Formatting
• Common Mistakes and How to Avoid Them
• Tools and Resources Beyond Software
• Cost Breakdown: What UK Authors Should Expect
• Expert Tips from 25 Years in the Industry
• Frequently Asked Questions

Introduction

Formatting a book is often the most painful part of self-publishing, especially here in the UK where the industry standards and requirements can catch authors off guard. When I published Google. Panic. Repeat.—a personal account of my battle with health anxiety—I thought the writing was the hardest part. It wasn’t. It was wrestling with formatting software, file conversions, and meeting Amazon KDP’s stringent requirements. Hours were lost to trial and error, and I ended up hiring a formatter for £130 who delivered a shoddy job. Then I tried Fiverr. Just as bad.

That experience drove me to build publishing.co.uk, a service designed to take the headache out of formatting for UK authors. Over the years, I’ve worked with thousands of UK self-published authors and publishers, refining formatting workflows and software recommendations tailored to our market.

In my consulting work with billion-pound publishers, I’ve seen even large companies struggle with the same formatting issues that plague indie authors. The problem isn’t lack of resources—it’s the archaic, technical nature of the process itself. This unique perspective informs everything I share here.

In this article, I’ll share a comprehensive, UK-centric guide on the best book formatting software available in 2025, with step-by-step instructions, pricing in GBP, and practical business advice honed by 25 years in e-commerce and digital publishing. Whether you plan to format your own book or want to understand how professional services integrate with software, this guide has you covered.

Data visualisation of UK self-publishing market growth: £7.1bn revenue, 68% growth in last 5 years.

What You Need to Know Before Starting

Before diving into software choices, it’s crucial to understand a few core concepts and UK-specific facts that impact book formatting:

Key Formatting Terminology

• Trim Size: The physical dimensions of your printed book. UK trade paperbacks typically measure 135 x 216 mm (5.31” x 8.5”), but sizes vary depending on genre and printer. Setting this correctly is vital for print-on-demand (POD) providers like Amazon KDP or IngramSpark UK.
• Bleed: The extra margin beyond the trim edge where images or background colours extend, usually 3 mm on all sides for UK printers. This prevents white edges after trimming.
• Margins: The space between the text and the edge of the page. UK printers generally require a larger inside margin (gutter) for perfect binding, typically 20 mm or more, to prevent text from disappearing in the spine.
• File Formats:
  • EPUB: The standard file for most ebook retailers (Apple Books, Kobo, Google Play).
  • MOBI/AZW3: Amazon’s legacy Kindle formats. Although Amazon now prefers EPUB uploads, MOBI is still in use.
  • PDF: The print standard, especially PDF/X-1a for UK POD providers.
• ISBN: The International Standard Book Number uniquely identifies your book. In the UK, ISBNs are purchased exclusively through Nielsen Book Services at £93 for a single ISBN or £174 for a block of 10. Free KDP ISBNs list Amazon as publisher — often undesirable for UK authors who want full control and retail credibility.

UK Market Context

The UK publishing market generated £7.1 billion in revenue in 2023, with self-publishing accounting for a growing share. Over 750,000 self-published titles exist in the UK, increasing by 68% over the last five years. This growth means competition is fierce—professional formatting and presentation matter more than ever. Poorly formatted books struggle to gain traction on major platforms and UK review sites like LoveReading.co.uk.

Comparison of UK Nielsen ISBN pricing (£93 single / £174 for 10) vs US Bowker ISBN pricing (~$125 single).

Step-by-Step Guide to Using Popular Formatting Software

Many authors get overwhelmed by the sheer number of formatting tools. I’ll break down the four most widely recommended software options, with UK-specific tips and practical step-by-step instructions.

1. Microsoft Word

Still the most accessible tool for many UK authors, Word can produce a decent manuscript if configured correctly. It’s often underestimated for book formatting but remains a solid choice for novices and those on a budget.

Step-by-step basics for print formatting:

1. Open your manuscript document.
2. Navigate to Layout > Size > More Paper Sizes.
3. Under Paper, set the width and height to your trim size in millimetres. For a standard UK trade paperback:
   • Width: 135 mm
   • Height: 216 mm
4. Click OK.
5. Go to Layout > Margins > Custom Margins and set:
   • Top: 20 mm
   • Bottom: 25 mm
   • Inside (gutter): 20 mm (this is crucial for perfect binding to avoid text being lost)
   • Outside: 15 mm
6. Under Layout > Paragraph, click the small arrow to open the dialog box. Under Indents and Spacing, set the first line indent to 0.5 cm and line spacing to 1.15 for optimal readability.
7. Insert page breaks at the end of chapters by clicking Insert > Page Break instead of pressing enter multiple times. This keeps formatting consistent.
8. Use Styles (found under the Home tab) to create consistent headings and body text. Avoid manual font size changes or bolding—it’s better to define styles and apply them.
9. Save your manuscript as DOCX for editing and then export to PDF by going to File > Save As > PDF.
10. For ebook formats, Word doesn’t export EPUB natively. Use Calibre or online converters (e.g., Draft2Digital) to convert your DOCX to EPUB.

Limitations: Word doesn’t handle complex layouts well, such as multi-level bullet points, nested tables, or images with captions. It also lacks EPUB export and validation tools, so you must use additional software to check ebook files.

When I was formatting Google. Panic. Repeat., Word was my starting point. It’s familiar but I quickly ran into its limits with complex layouts and ebook exports. That’s when I realised the need for specialised tools or professional help.

2. Vellum (Mac only)

Vellum is the darling of many indie authors for ebook and paperback formatting, especially in the US market. It produces beautiful, professional-quality outputs with minimal fuss but comes at a steep price and is Mac-exclusive.

Step-by-step basics:

1. Import your Word or RTF manuscript by dragging the file into Vellum.
2. In the Project Settings (top right), click Trim Size and choose Custom. Enter UK standard dimensions (e.g., 135 mm x 216 mm).
3. Use the toolbar to apply styles to chapter titles, drop caps, block quotes, and other elements. Vellum’s presets are clean and professional.
4. Preview your book on virtual devices (Kindle, Kobo, Apple Books) by selecting the device icons at the bottom.
5. Export your book via File > Export, choosing EPUB for ebooks and PDF for print.
6. For print files, ensure to double-check bleed and margin settings as Vellum’s default profiles are US-centric.

Limitations: Vellum costs $199 (£170) for ebooks only or $249 (£210) with print options, plus VAT for UK buyers. It does not automatically generate UK-compliant barcodes and ISBN metadata—you’ll need to add these separately. Also, it cannot export to MOBI since Amazon now accepts EPUB files directly.

3. Scrivener

Scrivener is a powerful writing tool with export capabilities that many UK authors use to compile and format ebooks and print files. However, it is not a dedicated formatter and requires additional tweaking.

Step-by-step basics for export:

1. Open your manuscript in Scrivener.
2. Go to File > Compile.
3. Choose your output format (EPUB, MOBI, or PDF).
4. In the Page Settings tab, select Paper Size > Custom, then set dimensions to your UK trim size (e.g., 135 mm x 216 mm).
5. Configure header and footer options if printing, and adjust line spacing to 1.15.
6. Use the Formatting pane to select font styles and sizes. Keep fonts classic and legible.
7. Compile and export your file.
8. Validate your EPUB using EpubCheck before uploading to stores.

Limitations: Scrivener’s PDF export for print is basic and lacks advanced features such as bleed or PDF/X-1a compliance. Complex layouts (tables, multi-level lists) often need further refinement in Word or InDesign.

I consult for a billion-pound business that was struggling with the exact same issue—Scrivener’s PDF export simply wasn’t up to professional print standards. They had to outsource final formatting to meet POD requirements.

4. Atticus

Atticus is a newer cloud-based formatting platform gaining traction for combining writing and formatting in one place. It is designed with simplicity and UK market considerations in mind.

Step-by-step basics:

1. Sign up at Atticus and create a new project.
2. Upload your manuscript as a DOCX file.
3. In Project Settings, select your trim size from presets including UK sizes (e.g., 135 mm x 216 mm).
4. Choose a style template geared towards fiction or non-fiction.
5. Preview your book on virtual devices in real time.
6. Export your project as EPUB, MOBI, or PDF (print-ready).
7. Download and review your files using Amazon KDP’s previewer or IngramSpark’s online tool.

Limitations: Atticus costs £12/month subscription, which can add up if formatting multiple books over time. It’s still evolving and some complex formatting elements (tables, nested lists) can be glitchy. However, it’s excellent for UK authors wanting an all-in-one tool with local presets.

Comparison chart of Microsoft Word, Vellum, Scrivener, and Atticus — features and costs in GBP.

UK-Specific Considerations for Book Formatting

Many formatting guides ignore the unique challenges UK authors face. Here are some critical UK-focused points that can save you time and money.

Print-on-Demand Services in the UK

While Amazon KDP dominates globally, UK authors often use IngramSpark UK or local POD providers like CPI Group, Clays, or Severn. These printers have specific requirements:

• Trim Sizes: UK printers favour metric sizes such as 135x216 mm rather than US inches. Using US sizes (6"x9") can result in scaling issues or rejected files.
• Bleed and Margins: A 3 mm bleed is standard for colour images and backgrounds; margins must be wide enough to accommodate perfect binding—usually at least 20 mm on the inside gutter.
• PDF/X-1a Compliance: Many UK POD printers require a PDF/X-1a file for print. Standard PDF exports from Word or Scrivener won’t comply without plugins or Acrobat Pro. This compliance ensures correct colour profiles and print resolution.

Practical tip: When exporting PDFs from Word for UK print, use File > Export > Create PDF/XPS Document and set options to PDF/X-1a if available. If not, use Adobe Acrobat Pro or a professional service to convert your file.

ISBNs and Barcodes

UK ISBNs are purchased through Nielsen Book Services and cost £93 for a single ISBN or £174 for a block of 10. Unlike the US, where Bowker sells ISBNs, the UK market’s ISBN costs are often underestimated by new authors.

• Why buy your own ISBN? Free KDP ISBNs list Amazon as publisher, which limits your control and can confuse UK retailers and reviewers. Owning your ISBN signals professionalism and control over your book’s metadata.
• Barcode generation: Once you have your ISBN, you must generate an EAN-13 barcode for your print book’s back cover. Most book formatting software doesn’t create barcodes automatically. Use online generators like BarcodesInc or professional services (publishing.co.uk offers barcode creation and integration).

VAT and Pricing Implications

Understanding UK VAT on books is crucial for author pricing strategies:

• Print books: Zero-rated for VAT in the UK, meaning no VAT is charged to the consumer, which makes printed books a cost-effective product to sell.
• Ebooks: Subject to the standard VAT rate (20%) unless sold via certain platforms that handle tax differently. This difference affects your net royalties and pricing decisions.

Most formatting software ignores VAT and pricing metadata. As a UK author, you must factor these tax rules into your business plan and royalty expectations.

Getting Featured on UK Review Platforms

Platforms like LoveReading.co.uk focus heavily on professional presentation. Books with poor formatting rarely get featured or reviewed favourably, which impacts discoverability and sales.

• Professional formatting increases chance of feature: Editors and reviewers expect well-formatted PDFs and ebooks that are easy to read and navigate.
• Metadata matters: Accurate ISBN, author name consistency, and embedded metadata improve visibility.

As a co-owner of LoveReading.co.uk, I can attest that presentation quality is often the difference between a book being featured or overlooked.

Checklist of UK print-on-demand formatting requirements.

Common Mistakes and How to Avoid Them

From my experience formatting thousands of books and consulting for billion-pound publishers, these are the pitfalls UK authors face with formatting software:

Overreliance on Free or Cheap Tools

I once paid £130 for a formatter who delivered inconsistent margins, missing chapter titles, and broken page breaks. Then I tried Fiverr gigs for £5–£10, which were equally disastrous. Free tools or cheap gigs often don’t understand UK POD nuances like bleed, gutter margins, or PDF/X-1a requirements, resulting in costly reworks or print delays.

Ignoring UK Trim Sizes and Margins

Many authors use US-standard sizes (6”x9”) or default margins that don’t comply with UK printers. This causes rejections, delays, or extra costs to fix files. It’s vital to set your page size in millimetres from the start.

Using Inappropriate Fonts

Some self-published authors pick novelty fonts like Papyrus or Bleeding Cowboys, which look unprofessional and hamper readability. Stick to classic, legible fonts like Garamond, Baskerville, or Georgia. These fonts are also more likely to embed correctly in EPUBs and PDFs, avoiding display issues.

Neglecting Table of Contents and Metadata

A common issue is poorly formatted or missing Table of Contents (TOC), especially for ebooks on KDP. Without a clickable TOC, reader experience suffers, and Amazon’s automated systems downgrade your book’s visibility. Use your formatting software’s TOC generator or manually insert one with hyperlinks.

Not Validating EPUB Files

EPUB validation is essential to avoid rejection from stores like Apple Books or Kobo. Many popular tools don’t validate automatically—you must use third-party validators such as EpubCheck. This step is often overlooked by DIY authors but can save hours of frustration.

Tools and Resources Beyond Software

While software is critical, complementary tools and services elevate your formatting game:

EPUB Validators and Conversion Tools

• EpubCheck: The industry standard for EPUB validation. Available as a Java tool or online service. I recommend running this on every EPUB file before submission.
• Calibre: Useful for converting DOCX to EPUB or MOBI. However, Calibre can introduce formatting errors if used without care, especially with UK-specific margin or font requirements.

Professional Formatting Services

Automated formatting tools like publishing.co.uk can take your manuscript and deliver ready-to-upload files tailored to UK printers and retailers, removing guesswork and wasted time. This is especially helpful for complex non-fiction or multi-format projects.

ISBN and Barcode Providers

For UK authors, buying ISBNs from Nielsen is mandatory if you want full control. Barcodes can be generated online or purchased as part of a package from services like publishing.co.uk to ensure compliance with UK standards.

Print Proofing

Always order a physical proof copy before wide release. Software previews are not perfect; print proofs reveal margin issues, colour problems, and typographic errors. I once had a book with a 5 mm margin missing on the spine side that only showed up in the proof—not on any digital previewer.

Comparison of a poorly formatted page versus a professionally formatted page.

Cost Breakdown: What UK Authors Should Expect

Understanding the real costs involved helps authors budget properly:

Time Costs: DIY authors often underestimate time costs. I’ve spent days wrestling with formatting when a professional service would have saved hours and reduced stress.

Real-World UK Case Studies

Case Study 1: Fiction Author Using Word + Professional Service

Jane, a UK-based fiction author, initially formatted her novel in Word but struggled with gutters and chapter breaks. After two weeks of frustration and poor Amazon previews, she hired publishing.co.uk’s formatting service for £180. The service delivered perfectly formatted EPUB and PDF files compliant with UK POD printers within 48 hours. Jane’s book was featured on LoveReading.co.uk, boosting sales by 40% in the first month.

Case Study 2: Non-Fiction Author Using Atticus

David, a non-fiction author with complex tables and bullet lists, chose Atticus for its UK presets and cloud convenience. Despite minor glitches in nested lists, the software sped up his process considerably. He spent about 10 hours refining styles and exported files for KDP and IngramSpark UK. David credits the professional formatting for positive reviews mentioning layout clarity.

Case Study 3: Mac User Choosing Vellum

Sarah, a UK Mac user, invested in Vellum’s full license for £210. She appreciated its beautiful typography and easy export but had to manually check and adjust margins for UK print standards. The upfront cost was high but saved her weeks of work and late-stage corrections.

Expert Tips from 25 Years in the Industry

• Don’t skimp on formatting: The old “it’s only formatting” attitude kills sales. I’ve seen books fail to launch properly because the file was rejected or looked amateurish on Amazon’s previewer.
• Use UK trim sizes and margins from the start: Setting these early saves costly rework later.
• Validate your EPUB: Use EpubCheck before uploading anywhere.
• Hire a pro when your book is complex: Tables, images, bullet points, and non-fiction layouts are tricky to do well in Word or Scrivener.
• Think like a retailer: Your formatting affects metadata, discoverability, and review chances on UK platforms like LoveReading.co.uk.
• Automate where possible: publishing.co.uk’s automated formatting tools are built to handle KDP and UK POD nuances, freeing you to focus on writing and marketing.
• Order print proofs: Never skip this step, even if the software preview looks perfect.

Matrix highlighting features, UK compatibility, and ease of use.

Frequently Asked Questions

What is the most common mistake UK authors make with best book formatting software?

Using US trim sizes and default margin settings incompatible with UK POD printers is the biggest error. This leads to print file rejections, extra costs, and delays.

How much does best book formatting software cost in the UK?

It varies widely: Microsoft Word may be free if you have Office; Vellum costs about £200; Atticus charges around £12/month; and professional services range from £100-£350 depending on complexity.

Can I use free software like LibreOffice or Google Docs for book formatting?

You can, but they lack advanced features and UK-specific presets. LibreOffice can export PDFs but doesn’t handle EPUB well. Google Docs is convenient but requires more manual work for margins and page breaks.

What software do UK authors recommend for best book formatting?

Microsoft Word remains popular for its ubiquity. Mac users favour Vellum for quality and ease. Atticus is growing due to UK-friendly presets and cloud convenience. Many combine software with professional services like publishing.co.uk for best results.

How long does the formatting process typically take?

For a simple fiction novel, expect 1-3 days including revisions. Complex non-fiction can take weeks if DIY. Professional services can reduce turnaround to 1-2 days.

Is it worth hiring a professional formatter or should I do it myself?

If your book has simple formatting and you’re tech-savvy, DIY is possible. However, complex layouts or business considerations (ISBN, barcodes, print specs) often require professionals to avoid costly errors and delays.

What are the UK-specific technical requirements my formatting software must support?

Your software must support:

• Custom trim sizes in millimetres (metric)
• 3 mm bleed for print files
• Gutter margins for perfect binding
• Export of PDF/X-1a compliant files
• Metadata embedding for UK ISBNs and EAN-13 barcodes

Formatting a book for the UK market is a technical, detail-driven process that often frustrates authors. But with the right software, clear UK-specific guidelines, and a touch of professional support, you can get a polished product ready for KDP, IngramSpark UK, and beyond.

My own experience taught me the hard way that investing time and money into proper formatting pays dividends in sales, reviews, and reader satisfaction. If you want to bypass the struggle, publishing.co.uk’s automated formatting service is tailor-made for UK authors looking for a hassle-free path to professional publication.

About the Author

Robert Prime is a best-selling self-published author, veteran eCommerce strategist, and the founder of publishing.co.uk. With over 25 years of experience in digital business and 15 successful exits, he brings a battle-tested perspective to the publishing industry. After experiencing firsthand the archaic, headache-inducing process of formatting a KDP-compliant book for his own best-seller, Google. Panic. Repeat., Robert built publishing.co.uk to solve the problem for other authors. He is also a co-owner of the LoveReading.co.uk network (the UK’s largest book review platform), founder of the Amazon growth agency MrPrime.com, and a member of the Forbes Business Council.

This guide will save you hours of frustration and help you avoid costly pitfalls when formatting your book for the UK market.