Publishing, re-engineered.

The leading AI platform for the publishing industry.

AI services that ensure the quality of your work and speed up every step of the publishing process, delivered within minutes and saving you thousands.

Explore our services

Global recognition

Publishers & authors around the world already use KlooBR.

From first-time writers to bestselling authors, thousands of people trust our technology with their work Our numbers speak for themselves!

  • 5K+publishers & authors served
  • 10K+books processed
  • 4.5/5satisfaction
  • 12 minaverage delivery time

Self-service

It's that simple: you upload, AI works, you receive.

  1. 01

    Upload your file

    Upload your book as a Word file (.docx). It takes less than a minute and requires no technical knowledge.

  2. 02

    See a free sample

    AI processes your book and shows you a real preview of the result. You decide before paying anything.

  3. 03

    Service delivered within minutes.

    Like what you see? Just proceed to checkout and get your service delivered within minutes.

Catalog by book phase

Services for every phase of your book.

From manuscript to the launch, KlooBR walks with you every step of the way. Select the phase you're at and browse the available services. Each one has a fixed price and delivery within a maximum of 24 hours.

Refine your manuscript

Refine your text, make it flawless and find out how others react to it.

  • Book Review

    $19
    Save ~97% on the market you pay from $600

    A complete editorial assessment of your manuscript: strengths, weaknesses and what to improve before moving on.

    • Strengths and weaknesses of the text
    • Practical suggestions for improvement
    • Full report within 24h

    Instant result after purchase.

    See service

  • Copy Editing & Proofreading

    $89
    Save ~97% on the market you pay up to $3,000

    Complete professional editing: spelling, grammar, flow and consistency. Your book ready to publish.

    • Spelling, grammar and punctuation
    • Flow and consistency of the text
    • Report of every change

    Free trial before you pay, no card needed.

    See service

  • Emotional X-Ray

    $39
    Save ~90% on the market you pay from $400

    Discover the emotional impact each chapter has on the reader, and where your story grips or loses their attention.

    • Chapter-by-chapter emotional curve
    • Where the story grips or loses the reader
    • Tension points and pacing drops

    Instant result after purchase.

    See service

Reach new audiences

Reach new readers through different languages or formats.

  • Translation

    $99
    Save ~98% on the market you pay from $6,000

    Your book in another language to reach readers worldwide, keeping the meaning and tone of your work.

    • Keeps true to your own voice
    • Many languages available
    • Ready to publish abroad

    Free trial before you pay, no card needed.

    See service

  • E-book Conversion

    $29
    Save ~81% on the market you pay from $150

    Turn your PDF into an e-book (EPUB) ready for the major stores, with a perfect read on any device.

    • EPUB for the major stores
    • A perfect read on any screen
    • Final file within 24h

    Delivered within 24h after purchase.

    See service

  • Audiobook Conversion

    $199
    Save ~60% on the market you pay from $500

    Turn your book into an audiobook and let your story be heard.

    • Narration in the voice you choose
    • Free sample before you buy
    • Audio files ready to publish

    Delivered after purchase.

    See service

Design your book

Improve your book design and deliver a better reading experience.

  • Coming soon

    Book Design

    Your book's interior laid out to publishing standards, with typography, margins and table of contents, ready for print.

  • Coming soon

    Book Cover

    A professional cover that makes readers pick up your book, in the store and online.

Promote your book

Publishing is just the beginning. Plan your launch and increase your readership..

  • Coming soon

    Marketing Plan

    A complete strategy for you to reach and engage readers, from the launch to the long run.

  • Coming soon

    Promotional Materials

    Ready-made image and copy kits for your social media, designed to give your launch visibility.

Savings + Time

The same quality, for a fraction of the price and the time.

Hiring a professional for each step costs thousands and takes weeks. With KlooBR you get the same editorial care in hours, and pay only for what you need. Compare:

KlooBR artificial intelligence

Market traditional

Service KlooBR price KlooBR turnaround Market price Market turnaround Your savings
Book Review $19 within 24h from $600 2–4 weeks up to –97%
Copy Editing & Proofreading $89 within 24h up to $3,000 6–10 weeks up to –97%
Emotional X-Ray $39 within 24h from $400 2–3 weeks up to –90%
Translation $99 within 24h from $6,000 6–12 weeks up to –98%
E-book Conversion $29 within 24h from $150 1–2 weeks up to –81%
Audiobook Conversion $199 within 24h from $500 3–6 weeks up to –60%

*Market prices are reference averages for a book of about 200 pages. KlooBR prices and turnaround don't change with the characteristics of your book.

What sets us apart

Why choose our AI services.

  • Technology that makes a difference

    We use advanced AI tools to make sure your book stands out and reaches a new level.

  • High-standard quality

    Our AI understands the subtleties of language and delivers precise results that raise your text to a high editorial standard.

  • Automation that saves time

    Our intelligent automation speeds up complex tasks, allowing you to focus on what really matters: creating great stories.

  • Simple and efficient

    Built for everyone who works with editorial content, from independent authors to publishers and book professionals. Our low-cost, high-quality services are both frictionless and efficient.

Social proof

Authors who have published with KlooBR.

  • I got my novel back, fully proofread, in a single day. I spent less than a dinner out on what a publisher would charge thousands for.
    Marina Alvesfiction author · Brazil
  • I was afraid AI would strip my text of its character. I got a report justifying every change and saw that my voice was intact.
    Juan Martineznon-fiction author · Spain
  • I translated my book into English over a weekend and started selling abroad. I couldn't have done it the traditional way.
    Johann Wilkensindependent author · Germany
  • The Book Review pointed out exactly where my story lost its pace. I rewrote two chapters and it became much stronger.
    Fábio Menezesfantasy author · Portugal
  • I converted my book to an e-book and published it on Amazon the same day. What I had put off for months took a few hours.
    Juliana Pradoself-help author · Brazil
  • I use KlooBR for every launch. The blurb and promotional copy arrive ready, in the right tone for my readers.
    Carlos Espínolabusiness author · Spain

Questions

Frequently asked questions

Which file formats do you accept?
For editing, proofreading, translation and review, upload your book as a Word file (.docx). For e-book conversion, we accept PDF. Just drag the file in and we'll do all the work from our side.
How long until I receive my book?
Most services are delivered within 10-20 minutes after payment, with a maximum deadline of 24 hours. With KlooBR, your waiting days are over!
How does payment work?
Everything is online and secure. You approve a free sample, select a payment method and the service is processed and delivered promptly. No quotes, no back-and-forth emailing, no waiting.
What do I need to get started?
Just your file. No technical knowledge or special software required. KlooBR's AI takes care of the entire process for you.
Is my text really private?
Yes. Your file is used only to deliver the service you ordered and never to train our models. You are, and remain, the sole owner of your work.
Does AI replace a human editor?
KlooBR's AI does the heavy lifting quickly and consistently, delivering a professional result. Think of it as a collaborator that speeds up your publishing. You stay in charge of your work.

Your book could be perfected today!

Try KlooBR for free: upload your text, see a free sample and discover why publishing has never been so fast and affordable.

Explore our services

Sign in KlooBR

Already have an account with Clube de Autores, Literary Highways or Club de Autores? Use the same email and password. No need to create a new account.