Kobo's reading system has its own personality, and an EPUB that has been built for it behaves well in the Kobo e-reader and the Kobo apps. Behind the scenes, Kobo converts EPUB files into its own enhanced format, called KEPUB, which adds features such as reading statistics and faster page turns. The conversion is reliable when the EPUB is clean and valid, and it can produce odd results when the EPUB is not. Kobo EPUB formatting is the preparation of a file that converts well and displays as intended on every Kobo device.
Kobo EPUB Formatting · from $179
Kobo EPUB formatting that works within Kobo's limits and clears rejections
Kobo EPUB formatting concentrates on the EPUB itself, how it behaves in Kobo's reading software, why Kobo Writing Life rejected it and what must change. Our kobo epub formatting service rebuilds the structure, works within Kobo's CSS limitations, prepares images, the cover and the metadata, and tests the file on Kobo apps and e-readers. Choose a word count to see a fixed price for your Kobo EPUB.
View Pricing
Most Kobo EPUB repairs are delivered in three to five working days.
- Rejections and errors fixed
- CSS limits respected
- Tested on Kobo software
Key facts
- $179Starting price for the Kobo EPUB, before extras
- 2 roundsOf revisions included in every Kobo EPUB order
- 2 to 3 daysFastest standard delivery for a short Kobo EPUB
Overview
What a Kobo EPUB actually involves
The details that matter are specific. Kobo supports a subset of CSS, and some properties that work in Apple Books or in browsers are ignored or behave differently on e-ink screens. Fonts are usually best left to the reader, because Kobo lets readers choose from a menu of typefaces. Images should be compressed, because e-ink screens are small and slow. Covers should be at least 1,400 pixels on the shortest side. Metadata must be complete, because Kobo uses it for search and categories. Kobo also supports fixed layout for illustrated books, with its own settings. The upload to Kobo Writing Life runs validation, and errors are reported by file and line.
Our Kobo EPUB formatting service builds a file with Kobo's reading system in mind. We write simple, relative CSS and avoid the properties that Kobo ignores, we build navigation, prepare the cover and metadata, compress images, run EPUBCheck and test on Kobo apps and on a Kobo e-reader. We handle fixed layout titles. If Kobo rejects a file, we fix it at no charge. We can also set up your Kobo Writing Life account and upload the book for you.
We start every Kobo EPUB formatting job with an audit. With your Kobo EPUB, we open your file or manuscript, list what is already right, what is wrong and what needs a decision from you, and send that back before any work begins. The audit is why there are no surprises: you know the scope, the price and the schedule, and you know which of CSS limits and fonts is likely to need the most care.
Why it matters
Why a Kobo EPUB matters
Kobo EPUB formatting decides whether the work is accepted
Kobo is popular in several markets, so a book that looks wrong there loses sales and reviews in those places. For authors whose EPUB displays oddly on Kobo, the difference shows in how the finished Kobo EPUB formatting work behaves when it is opened, printed or uploaded, not in how it looks on the screen where it was made.
The details carry the quality
Faults show on Kobo only, which makes them easy to miss unless the file is tested on Kobo hardware. We check each of CSS limits, fonts and navigation individually, because a fault in one is easy to miss when the rest of the file looks right.
Doing it once, properly, saves time
Navigation must work with Kobo's contents menu, or readers cannot move between chapters. Putting cSS limits and fonts right once is cheaper than correcting them in every later edition.
Working inside Kobo's rules
Kobo EPUB CSS limitations
The kobo epub css limitations mean that some properties are ignored, some are replaced by the reader's settings and some behave differently on e-ink and tablets. We write a short stylesheet that depends on structure instead of tricks, so that the book keeps its character within those limits.
A kobo epub with images needs careful handling, because the reader may scale pictures and the store applies size limits. We set safe widths, compress without visible loss and add alternative text, and we prepare the kobo epub cover and metadata so that the listing looks sharp and complete.
To format an epub for kobo writing life correctly, we run kobo epub validation errors through a fix cycle: read each message, trace it, correct it and test again. If you have a file that was refused, our fix kobo epub rejection process finds the cause, and for series work you can hire kobo epub formatting expert help once and reuse the stylesheet.
- A short stylesheet that works within Kobo's limits
- Images, cover and metadata prepared for the store
- Every validation message traced and fixed
Choose the right build
The first decision in any Kobo EPUB
Repair for Kobo
We fix display faults in an existing EPUB for the Kobo EPUB. It suits files that look wrong on Kobo. We choose this route when the book leans on cSS limits, and we show a sample before the whole Kobo EPUB formatting job proceeds.
Build for Kobo
We build a new EPUB tested on Kobo. It suits new releases. We choose this route when fonts are central to how the book is used, and we explain the cost and schedule consequences before you commit.
Specification
The Kobo EPUB specification we build to
These are the decisions we make on every Kobo EPUB job, and the reason for each one.
Element
How we build it
Why it matters
CSS
Limited to supported rules. We confirm the value with you before building, and record it in the specification for your Kobo EPUB formatting job.
Predictable rendering. Getting this right early avoids rework once the Kobo EPUB formatting pages have been proofed.
Fonts
Embedded with fallback. We apply it through a defined style or setting, so it holds across the whole Kobo EPUB formatting file.
Consistent type. For a Kobo EPUB, readers and reviewers notice when it is wrong, even when they cannot say what is wrong.
Navigation
Menu and links tested. We verify it again in the final proof, because it is easy to disturb during late edits in this Kobo EPUB order.
Readers can move around. Platforms and printers check it automatically, and a failure delays the launch on this Kobo EPUB project.
Conversion
Checked after processing. On this Kobo EPUB job, where your platform sets a different rule, we follow the platform and tell you why.
Looks as intended. It also keeps later editions of the Kobo EPUB formatting work consistent with the first.
Files
A Kobo EPUB, a test report and an upload note, named consistently and delivered with a short specification.
On this Kobo EPUB job, a clear package prevents mix-ups between versions and speeds up any later change. Getting this right early avoids rework once the Kobo EPUB formatting pages have been proofed.
Checks
Preflight or validation run on every deliverable, with the report supplied in this Kobo EPUB order. We apply it through a defined style or setting, so it holds across the whole Kobo EPUB formatting file.
Evidence of a clean pass is what separates a checked file from a hopeful one on this Kobo EPUB project. For a Kobo EPUB, readers and reviewers notice when it is wrong, even when they cannot say what is wrong.
See what it costs
See the price of your Kobo EPUB in a minute
Pick a word count to see what Kobo EPUB formatting costs for your own book, with the delivery estimate and extras shown before you decide.
Build my priceProcess
How a Kobo EPUB project runs
Send
You send the files and tell us what you need from the Kobo EPUB formatting job, including where you plan to publish and any deadline. With your Kobo EPUB, we confirm the scope and the price. You are never left guessing what comes next, because we confirm each stage of the Kobo EPUB formatting job in writing.
Day 1
Audit
We examine the file, list what is correct and what must change, and send a short note with any decisions we need from you with your Kobo EPUB. If something unexpected turns up at this stage, we tell you at once and agree the fix before continuing with your Kobo EPUB.
Days 1 to 2
Plan
We agree the specification, including how we will treat CSS limits and fonts, and confirm the schedule. This stage is where most questions arise, so we leave time for them in the schedule on this Kobo EPUB project. You are never left guessing what comes next, because we confirm each stage of the Kobo EPUB formatting job in writing.
Day 2
Build
With your Kobo EPUB, we carry out the work, applying defined styles and settings, and fixing faults at their source rather than covering them. You are never left guessing what comes next, because we confirm each stage of the Kobo EPUB formatting job in writing.
Days 3 to 7
Check
On this Kobo EPUB job, we validate, preview and review the result against the specification, and compare the text with your manuscript. If something unexpected turns up at this stage, we tell you at once and agree the fix before continuing with your Kobo EPUB.
Days 8 to 9
Deliver
You receive the files, the specification and the change log, with support if a platform queries the file for the Kobo EPUB. This stage is where most questions arise, so we leave time for them in the schedule on this Kobo EPUB project.
Day 10
Before and after
A Kobo EPUB before and after formatting
The same book as a faulty file and as a repaired one. The text is identical, and only the second behaves on Kobo.
123Before
- 1Styles that Kobo ignores
- 2A validation error with no clear cause
- 3A cover that is too small for a high-resolution screen
123After
- 1Styles that work within Kobo's limits
- 2Every validation message traced and fixed
- 3A cover that is sharp on every Kobo 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
A predictable look
The book displays as intended.
An accepted upload
Validation passes.
A stronger listing
Cover and metadata are complete.
Pricing calculator
Build your Kobo EPUB price
Kobo converts every EPUB into its own KEPUB format, which is why markup that looks fine elsewhere can behave oddly on a Kobo e-reader. Choose your files and see the fixed price for an EPUB prepared with that conversion in mind.
Beyond our online limit? Let us quote it properly.
A Kobo EPUB above 150,000 words, or with more than 150 images, is quoted individually so nothing is missed. Send us the Kobo EPUB details and a specialist replies with a fixed price and delivery date.
The price covers EPUB formatting and Kobo testing. Kobo account set-up, ISBN purchase, cover design and commissioned artwork are not included for the Kobo EPUB.
Price guide
Kobo EPUB Formatting cost at a glance
The table lists the kobo epub formatting cost by length, with the base price, delivery time and the kind of book that fits each tier. The calculator adds extras to your Kobo EPUB for an exact total.
Word count
Base price
Standard delivery
Typical book
Very short text
$179
2-3 working days
Very short text
Short text
$249
3-4 working days
Short text
Compact text
$319
3-5 working days
Compact text
Short book
$389
4-6 working days
Short book
Standard length
$459
5-7 working days
Standard length
Full-length text
$539
5-8 working days
Full-length text
Long text
$609
6-9 working days
Long text
Large text
$679
7-10 working days
Large text
Longest online length
$749
8-11 working days
Longest online length
More than 150,000 words
Custom quote
Agreed with your quote
Quoted individually
Comparison
Kobo EPUB Formatting compared with the alternatives
What you compare
A quick Kobo EPUB formatting fix
Professional Kobo EPUB formatting
Approach
A quick fix treats symptoms and leaves the cause in the file with your Kobo EPUB. That approach saves effort at the start and tends to cost more in repairs once the Kobo EPUB formatting job is live.
A professional Kobo EPUB formatting job finds and corrects the cause. We do this as standard on every Kobo EPUB formatting job, and the evidence comes with your files.
Consistency
Manual changes vary from page to page for the Kobo EPUB. On this Kobo EPUB job, it leaves the cause in place, so the same fault tends to return when the text changes.
Defined styles apply identically everywhere. It is built to be repeated, so later editions cost less and match the first in this Kobo EPUB order.
Validation
With your Kobo EPUB, success is judged by eye on one screen. For a Kobo EPUB, it is hard to check, so faults are usually found by readers instead of by the author.
With your Kobo EPUB, success is judged by the platform's own checks and real devices. It is checked by a person and by software before it reaches you, so problems are found early in this Kobo EPUB order.
Documentation
With your Kobo EPUB, nothing is recorded, so the next edition starts again. That approach saves effort at the start and tends to cost more in repairs once the Kobo EPUB formatting job is live.
For a Kobo EPUB, a specification and change log are supplied. We do this as standard on every Kobo EPUB formatting job, and the evidence comes with your files.
Risk
A rejected upload costs days and may delay a launch with your Kobo EPUB. On this Kobo EPUB job, it leaves the cause in place, so the same fault tends to return when the text changes.
Files are tested before they reach you, and fixes are covered by the guarantee on this Kobo EPUB project.
Cost
For a Kobo EPUB, cheap at first, then repeated whenever something changes. For a Kobo EPUB, it is hard to check, so faults are usually found by readers instead of by the author.
For a Kobo EPUB, a fixed price and a reusable result. It is checked by a person and by software before it reaches you, so problems are found early in this Kobo EPUB order.
Our standard
The standard we hold every Kobo EPUB to
Fix causes, not symptoms
Our Kobo EPUB formatting work corrects the underlying structure, so the same problem does not return when the text changes. It is a standard we hold on every Kobo EPUB formatting job, whatever the price of the package or the length of the book.
Evidence over assurance
For your Kobo EPUB, we supply the validation or preflight report with your files, so a clean result is something you can see. For your Kobo EPUB, you can check it for yourself, because the evidence comes with your files. On this Kobo EPUB job, holding to it costs us time, and it saves you the cost of repairs later.
Plain communication
With your Kobo EPUB, we explain what we found and what we did in plain language, and we tell you honestly when something is outside what the file can support. On this Kobo EPUB job, holding to it costs us time, and it saves you the cost of repairs later.
Checklist
The pre-delivery checklist for a Kobo EPUB
Every item below is verified on your Kobo EPUB before it leaves our desk.
- Audit completed and agreed with you
- CSS limits checked and corrected
- Fonts checked and corrected
- Navigation checked and corrected
- Kepub conversion checked and corrected
- Validation or preflight run with the report supplied
- Previewer and device checks completed
- Text compared with the approved manuscript
- Specification and change log delivered
How we think
How we think about your Kobo EPUB
Structure first
In Kobo EPUB formatting, CSS limits and fonts are built into the file, not painted on top. On this Kobo EPUB job, we treat structure as the foundation and appearance as the finish, because structure is what survives edits and platform changes.
Checked, not hoped
A file is not finished because it looks right on our screen in this Kobo EPUB order. For a Kobo EPUB, it is finished when the validator, the preflight and real devices agree, and when we can show you the evidence. It is the principle behind most of what we do on Kobo EPUB formatting, and the reason we prefer to explain our choices rather than hide them.
Your files stay yours
We deliver source files and a specification, and we never lock your Kobo EPUB formatting work inside a proprietary format. For your Kobo EPUB, if you hire someone else later, they can pick up where we stopped. It is the principle behind most of what we do on Kobo EPUB formatting, and the reason we prefer to explain our choices rather than hide them.
Client reviews
What authors say about our Kobo EPUB formatting
Verified reviews from authors whose EPUBs were repaired for Kobo.
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.
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.
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.
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.
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.
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.
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 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.
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 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.
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.
Good formatting work on my early reader book. The large font and generous spacing were applied correctly. One illustration needed repositioning in revisions but it was fixed quickly. Happy with the result.
My business book had 14 chapters, 38 tables, and 22 figures. Everything was formatted cleanly and consistently. The specialist flagged two source document errors I had not noticed. Thorough and professional.
The interior finally looked the way I had always imagined it. Every margin, chapter header, and page number was precisely placed. My proof copy from KDP was perfect on the first attempt.
The devotional layout needed daily readings, scripture references, and reflection prompts to work together without feeling cluttered. The specialist understood the format immediately and the result serves the purpose perfectly.
The Kindle file looks professional on every device I have tested it on. Consistent fonts, clean line spacing, and the table of contents navigates properly. My readers have noticed the improvement over my previous book.
Good work overall. The formatting was clean and the file passed KDP first time. I would have liked slightly more communication during the process but the end result was exactly what I needed.
Historical fiction requires a formal, unhurried typography that feels appropriate to the period. The specialist understood this without me having to explain it at length. The result is elegant and exactly right.
FAQ
Kobo EPUB Formatting: questions answered
These are the questions authors ask most about Kobo EPUB formatting, including CSS, rejections and cost. If your question about the Kobo EPUB is missing, request a quote and a specialist will reply.
Do you offer a Kobo EPUB formatting service?
Yes. For Kobo EPUB formatting, we check the result against the platform's own rules before you see it.
How do I make an EPUB for Kobo Writing Life?
Build a valid EPUB 3 with navigation and upload it to Writing Life on this Kobo EPUB project. With your Kobo EPUB, we keep a record of what we changed so that you can review the work.
What are Kobo EPUB CSS limitations?
Kobo supports a subset of CSS, and some properties are ignored or behave differently on e-ink. For your Kobo EPUB, the calculator on this page shows the fixed price for each package before you commit.
How do I make a Kobo EPUB with images?
Compress and scale the images and test on a Kobo device. For your Kobo EPUB, if you are unsure, send the file and we will tell you what the job involves.
What are Kobo EPUB validation errors?
They are messages from EPUBCheck and Kobo's review about structure or metadata. For a Kobo EPUB, revision rounds are included, so the first delivery does not have to be perfect.
What are the Kobo EPUB cover and metadata rules?
A cover at least 1,400 pixels on the short side and complete metadata. For Kobo EPUB formatting, we check the result against the platform's own rules before you see it.
How much does Kobo EPUB formatting cost?
For your Kobo EPUB, the calculator on this page shows a fixed price for each package. With your Kobo EPUB, we keep a record of what we changed so that you can review the work.
How do I fix a Kobo EPUB rejection?
On this Kobo EPUB job, read the message, correct the file and re-upload. For your Kobo EPUB, the calculator on this page shows the fixed price for each package before you commit.
Do you offer Kobo EPUB formatting services?
Yes. For your Kobo EPUB, if you are unsure, send the file and we will tell you what the job involves.
What does Kobo EPUB formatting pricing look like?
On this Kobo EPUB job, length and complexity affect the fixed price, which the calculator shows. For a Kobo EPUB, revision rounds are included, so the first delivery does not have to be perfect.
Can I hire Kobo EPUB formatting expert help?
Yes. You can hire Kobo EPUB formatting expert help from our team. For Kobo EPUB formatting, we check the result against the platform's own rules before you see it.
What is KEPUB?
It is Kobo's enhanced EPUB format that adds reading features. With your Kobo EPUB, we keep a record of what we changed so that you can review the work.
Do you offer Kobo EPUB formatting service?
Yes. For your Kobo EPUB, the calculator on this page shows the fixed price for each package before you commit.
What EPUB should I use for Kobo Writing Life?
A valid EPUB 3 with clean CSS. We check yours. For your Kobo EPUB, if you are unsure, send the file and we will tell you what the job involves.
What are Kobo EPUB CSS limitations?
Kobo ignores some CSS rules, and we avoid them. For a Kobo EPUB, revision rounds are included, so the first delivery does not have to be perfect.
How much does Kobo EPUB formatting cost?
The kobo epub formatting cost starts at $179 for a short book and rises to $749 for the longest length priced online. Kobo epub formatting services and kobo epub formatting pricing are shown in the calculator.
Ready when you are
Ready to start your Kobo EPUB?
A Kobo EPUB that respects the reader's limits is a book that looks right everywhere. Check your Kobo EPUB price in a minute, or send a larger project and we will quote it.
- Fixed price shown before you pay
- Revision rounds included
- One named specialist, brief to upload