EPUB is the standard file format for ebooks. It is, in effect, a small website packed into one file, with HTML for the text, CSS for the styles, images, a navigation document and a package file that describes everything. Unlike a PDF, it is reflowable: the reader can change the font, the size and the margins, and the text adapts. That flexibility is what makes ebooks comfortable on any device, and it is also why a good EPUB depends on structure and not on layout tricks.
EPUB Formatting Guide · from $229
An EPUB formatting guide that builds an ebook that reads well on every device
An EPUB formatting guide has to explain that an ebook is not a fixed page but a reflowable file, and that the reader controls the font, the size and the screen. This guide shows how to format an EPUB step by step, with EPUB formatting best practices for beginners, CSS for ebooks, and notes for Kindle, Kobo and Apple Books, including how to use Word, Sigil and Calibre. Choose a word count on this page and a specialist will build a validated EPUB for a fixed price.
View Pricing
Most EPUB build walkthrough jobs are delivered in about a week for a typical book.
- Structure, CSS and testing
- Kindle, Kobo and Apple Books
- A fixed price for a validated EPUB
Key facts
- $229Starting price for the EPUB build walkthrough, before extras
- 2 roundsOf revisions included in every EPUB build walkthrough order
- 2 to 3 daysFastest standard delivery for a short EPUB build walkthrough
Overview
EPUB formatting guide: step by step for Kindle, Kobo and Apple Books
A well-built EPUB has clear semantic headings, so that a reader can navigate by chapter. It has a linked contents page and a navigation document, so that the device menu works. It uses a small set of styles applied consistently, with relative units, so that the book adapts. It has images that are sized and compressed and that carry alternative text. It has accurate metadata, including title, author, language and identifier. And it passes validation with EPUBCheck, which is the check that retailers use.
This guide explains how to build or convert an EPUB step by step, whether you use Word, Google Docs, Calibre, Sigil or professional tools. It covers EPUB for Kindle, Kobo and Apple Books, including the cover size, the fixed-layout option for illustrated books and the CSS properties that are reliable across readers. It also explains the mistakes that cause rejections or poor display. If you prefer to hand the job over, our EPUB services produce validated files at fixed prices.
This EPUB formatting guide for beginners also works as an EPUB formatting guide for KDP, an EPUB formatting guide for Kobo and an EPUB formatting guide for Apple Books. An EPUB formatting guide PDF is also available, and an EPUB formatting in Word guide explains how to prepare your document first.
Why it matters
Why EPUB structure matters
An EPUB is built from structure, not from appearance
A reflowable ebook adapts to every screen and font setting, so headings, paragraphs and lists must be marked up properly. A file that only looks right on one device breaks when a reader changes the text size.
Stores and readers both judge the file
Retailers run validation on upload and readers judge the result on their device. A clean EPUB is accepted first time, shows a working contents menu and keeps the story readable whichever app or e-reader is used.
The format outlasts any one platform
EPUB is the standard behind Apple Books, Kobo, Nook, Google Play and most libraries, and a well-built file can also be converted for Kindle. One clean source serves every store you sell through.
How to format an EPUB step by step
Structure first, then style
To format an EPUB step by step, start with a clean manuscript that uses styles, then export or convert it, and then check the structure. The EPUB needs a navigation document, a linked table of contents, a cover image and metadata, and the text is split into files at each chapter.
EPUB CSS guide for ebooks advice is to keep the styles simple, to use relative units so that the reader can resize the text, to avoid forced fonts and to set images to scale. EPUB formatting in Word works if the document uses real styles, and EPUB formatting with Sigil and EPUB formatting with Calibre let you edit the structure and the style rules directly.
EPUB formatting guide for Kindle, for Kobo and for Apple Books each add a few details, such as the cover size, the metadata and the tests in Kindle Previewer, Kobo's tools and Apple's checks. EPUB formatting best practices include running EPUBCheck, testing on several readers and keeping the file free of unnecessary code, and we do all of this for a fixed price.
- Structure, CSS and metadata explained
- Word, Sigil and Calibre routes
- Tests for Kindle, Kobo and Apple Books
Choose the right build
The first decision in any EPUB build walkthrough
Reflowable EPUB
The standard format for novels, memoirs and most nonfiction. The text adapts to the reader's settings.
Fixed-layout EPUB
A format for illustrated books, comics and cookbooks in which each page is laid out precisely. It needs more work and is supported by fewer devices.
Specification
EPUB specifications and best practices
These are the decisions we make on every EPUB build walkthrough job, and the reason for each one.
Element
How we build it
Why it matters
Version
EPUB 3 is the current standard and is accepted by every major store, with EPUB 2 still read by older devices but no longer preferred.
This gives broad support across stores and access to the modern accessibility features that readers increasingly expect.
Cover
About 2,560 by 1,600 pixels in JPEG format, kept under the file size limit that each store sets for the cover image.
The cover looks sharp on every device and as a thumbnail on retailer pages.
Styles
Relative units such as em and percent for text and spacing, with a small number of classes rather than many inline overrides.
The book adapts to any screen and font size chosen by the reader.
Navigation
A nav document with a table of contents built from the real headings, plus landmarks for the start of the text where useful.
Devices can show their own menu and readers can move through the book easily.
Images
JPEG or PNG at the displayed size, compressed for size, with alternative text describing each meaningful image.
Pages load quickly and the book is accessible to readers using assistive technology.
Validation
EPUBCheck with no errors and every warning reviewed, run on the final file after all changes have been made.
Retailers accept the file on the first upload and devices display it consistently.
See what it costs
See the price of your EPUB build walkthrough in a minute
Choose a word count and see what epub formatting guide turns into as a fixed formatting price for your own book, with the delivery time and any extras shown before you commit.
Build my priceProcess
How to format an EPUB step by step
Prepare the manuscript
Finish editing, apply heading styles consistently and remove manual formatting such as extra spaces, tabs and blank paragraphs before conversion.
Step 1
Choose reflowable or fixed layout
Most books should be reflowable, and fixed layout is for illustrated books where position matters and which need more work.
Step 2
Build the structure
Convert to EPUB, check that headings and lists are marked up correctly, and create a navigation document that links to every chapter.
Step 3
Style and place images
Apply a short stylesheet with relative units, size the images and add alternative text so that the book looks consistent on every device.
Step 4
Validate and test
Run EPUBCheck, fix the errors and open the file in several apps, changing font sizes and checking every link and the cover.
Step 5
Upload and review
Upload to each store, check the retailer previewer and read the sample, correcting any difference between stores before you publish.
Step 6
Before and after
A converted file before and a built EPUB after
The same text, first as a quick conversion and then as an EPUB that was built and tested by hand.
123Before
- 1A contents page with dead links
- 2Fonts forced on every reader
- 3Images that overflow a phone screen
123After
- 1A contents page that links correctly
- 2Fonts that follow the reader's settings
- 3Images that scale to the screen
- 3problems found in the first review
- 3fixes checked in the final review
- 1named specialist owning every fix
- Fixedprice confirmed in the calculator before you order
Working navigation
Links function.
A flexible file
The reader is in control.
A neat page
Images fit.
Pricing calculator
Build your EPUB build walkthrough price
The EPUB formatting guide explains reflowable text, navigation, fonts and validation; this calculator prices an EPUB built to pass every store. For your EPUB build walkthrough, choose the editions, the complexity and the image count.
Beyond our online limit? Let us quote it properly.
An EPUB above 150,000 words, or with more than 150 images, is priced individually so nothing is missed. Send us your EPUB build walkthrough files and a specialist replies with a fixed price and delivery date.
The price covers EPUB building and validation. For your EPUB build walkthrough, cover design, editing and printing are not included.
Price guide
EPUB Formatting Guide cost at a glance
The table below lists the cost of formatting at each length for your EPUB build walkthrough, with base price, delivery time and the kind of book that fits. On this EPUB build walkthrough job, the calculator adds images, editions and extras for an exact total.
Word count
Base price
Standard delivery
Typical book
Very short text
$229
2-3 working days
Very short text
Short text
$279
3-4 working days
Short text
Compact text
$349
3-5 working days
Compact text
Short book
$429
4-6 working days
Short book
Standard length
$509
5-7 working days
Standard length
Full-length text
$579
5-8 working days
Full-length text
Long text
$659
6-9 working days
Long text
Large text
$729
7-10 working days
Large text
Longest online length
$809
8-11 working days
Longest online length
More than 150,000 words
Custom quote
Agreed with your quote
Quoted individually
Comparison
EPUB Formatting Guide compared with the alternatives
What you compare
An automatic conversion
A hand-built EPUB
Structure
Inherited from the word processor, with styles that do not match the design
Designed from the start, using real headings and clean elements
Navigation
Often missing or typed by hand without any links
Linked, tested and matched to the device menu on every reader
Styles
Many, messy and fixed in size, so readers cannot adjust the text
Few, clean and relative, so the book adapts to every setting
Validation
Unchecked, with errors found by the store after upload
Checked with EPUBCheck and reviewed before the file goes anywhere
Display
Uneven, with different results on each device and app
Consistent on Kindle, Kobo, Apple Books and Google Play
Maintenance
Hard to edit, because every change risks breaking something
Easy to edit, because the source is clean and documented
Our standard
The standards behind a good EPUB
Standards-based structure
We build to the EPUB 3 specification with semantic markup, so the book works in today's reading systems and remains readable in those that arrive in future.
Validated before delivery
Every file passes EPUBCheck with no errors, and any warning is reviewed and explained, so the store accepts the book on the first upload.
Tested on real readers
We check the file on several devices and apps, at several font sizes, because passing validation does not guarantee that a book looks right.
Checklist
The EPUB formatting checklist
Every item below is verified on your EPUB build walkthrough before it leaves our desk.
- StructureHeadings, paragraphs and lists are marked up with the correct elements and there are no blank paragraphs used as spacing.
- NavigationA linked contents page and a navigation document that both list every chapter and work on each device.
- StylesA small stylesheet using relative units, with no hard-coded fonts or point sizes copied from the manuscript.
- ImagesCompressed to a sensible size, in JPEG or PNG, each with alt text where the image carries meaning.
- CoverAbout 2,560 by 1,600 pixels, declared as the cover image and visible in the library view of each app.
- MetadataTitle, author, language, identifier and description complete and matching the retailer listing.
- ValidationEPUBCheck reports no errors and every warning has been read and judged.
- DevicesKindle, Kobo and Apple Books checked at several font sizes and in dark mode.
- ReflowText adapts to every font change and images scale without overlap or cropping.
How we think
How to think about reflowable books
Think in structure, not pages
A reflowable book has no fixed pages, so you control the meaning and order of the content and let each device decide how to show it.
Keep the styles small
Every extra style is another thing to break on some device, so a short stylesheet with relative units is more reliable than a clever design.
Test the way readers read
Readers change fonts, sizes and colours, so try the book at the settings that they use and judge it from that experience.
Client reviews
What authors say about our EPUB build walkthrough work
Verified reviews from authors who used our formatting service for a EPUB build walkthrough after reading about it.
A fixed-layout EPUB for a cookbook is genuinely complex. The recipe layouts, ingredient lists, and photography all needed to remain pixel-perfect. The result looks as good as the print version on every device.
Good eBook formatting work. The tables converted cleanly and the navigation works well. One heading level needed a style adjustment but it was corrected quickly. The file performs well on all platforms.
My business EPUB had tables and callout boxes that needed to be handled carefully. Everything was converted cleanly without losing any structural information. The file passed Amazon's validator on the first check.
I had a previous EPUB that displayed incorrectly on several devices. Book Formatting Experts rebuilt it from scratch. The new version renders beautifully across every reader app I tested.
The interactive elements in my EPUB — internal links, chapter navigation, and resource appendix — all work perfectly. My readers have specifically mentioned how easy the ebook is to navigate.
Academic EPUB with complex equations and references. One formula needed manual correction in revisions but the overall quality was exactly right. The file validates without errors on all platforms.
Converting my nonfiction manuscript to EPUB while preserving the heading structure, footnotes, and internal links was no small task. Every element survived the conversion perfectly.
My fantasy EPUB had complex nested structures with chapter epigraphs and world-building inserts. The EPUB handles every level cleanly and reads beautifully on Kindle and Apple Books.
The EPUB renders perfectly on my Kindle, Apple Books, and Kobo. The clickable table of contents works exactly as it should. Clean, standards-compliant, and ready to distribute everywhere.
The reflowable EPUB looks perfect on every device I tested — Kindle, Apple Books, and Kobo. The clickable table of contents and chapter navigation work exactly as they should.
My EPUB was rejected twice by Apple Books before I found Book Formatting Experts. They identified the metadata errors, rebuilt the file properly, and the new version passed immediately. Wish I had contacted them first.
Good formatting work overall. The chapter headers felt slightly generic at first but after one revision round they had exactly the right tone for my YA readership. File passed KDP without any issues.
Picture book layout is genuinely a specialist skill. The text placement, illustration bleed areas, and page proportions were all handled perfectly. My printer accepted the files on the first submission.
Good formatting work. The tables and callout boxes were handled well. The delivery was a day later than the quoted date but the quality was exactly right and the file passed IngramSpark first attempt.
The atmospheric chapter openings matched the tone of my books without being overdone. The specialist clearly understood what dark fantasy readers expect from a professionally formatted interior.
YA formatting needs to feel energetic but readable. Every chapter felt like an invitation to keep going. The page numbers, headers, and spacing all contributed to a fast, engaging reading experience.
Getting the layout right for a picture book is genuinely difficult. The page proportions, text placement, and illustration spaces were all handled with real skill. My publisher was impressed by the result.
Business books need to feel authoritative while remaining readable. The interior design achieved both. The chapter structure is clear and every table reads cleanly. My corporate clients have all commented favourably.
FAQ
EPUB Formatting Guide: questions answered
These are the questions authors ask most about epub formatting guide, including the steps, the files and the cost. If your question about the EPUB build walkthrough is missing, request a quote and a specialist will reply.
What is an EPUB formatting guide?
It explains how to build and check an EPUB file, including structure, styles, navigation, images, metadata and validation.
How do I format an EPUB step by step?
Prepare the text, choose a tool, build the structure, add navigation, add images and a cover, then validate and preview.
How do I format an EPUB for Kindle on this EPUB build walkthrough project?
Build a valid EPUB, check it in Kindle Previewer and upload it to KDP.
How do I format an EPUB for Kobo?
Use a valid EPUB 3 file with a cover and metadata and upload it through Kobo Writing Life.
How do I format an EPUB for Apple Books?
Use a valid EPUB and upload through Apple Books for Authors or an aggregator.
Can I format an EPUB in Word?
Yes, by saving a clean file and converting, but you will need to check and clean the output.
What is Sigil?
It is a free EPUB editor that lets you edit the HTML and CSS directly.
What is Calibre?
It is a free ebook tool that converts and edits ebooks.
What CSS works in an EPUB?
Simple properties such as font style, margins, alignment and display, with relative units, are most reliable.
What is the best EPUB formatting practice?
Use semantic markup, a few styles, a linked contents page, small images and valid metadata.
Can you build my EPUB?
Yes. We produce validated EPUB files at fixed prices.
Is a PDF a good ebook?
Not for reading on small screens. EPUB is better because it reflows.
How much does it cost to have a book formatted after reading about epub formatting guide?
Formatting for your EPUB build walkthrough starts at $229 for a short book and rises to $809 for the longest length priced online, including an ebook. On this EPUB build walkthrough job, images and extra editions are added in the calculator so the price that you see is the exact total.
How long does the EPUB build walkthrough work take?
Most EPUB build walkthrough jobs are delivered in about a week for a typical book. Priority and Express options shorten the schedule for your EPUB build walkthrough, and the calculator shows an estimate before you pay.
Ready when you are
Ready to start your EPUB build walkthrough?
A well-built EPUB reads well on every screen. Use the guide, or choose a word count and let a specialist build a validated EPUB for a fixed price.
- Fixed price shown before you pay
- Revision rounds included
- One named specialist, brief to upload