Best Book Formatting Products in 2026

AI-powered EPUB and Kindle formatting tool for indie authors — converts manuscripts into store-ready EPUB files ook formatting tools. EPUB validation, Kindle formatting, metadata builder, style auditor, and more. 5 free tools — no signup needed.

Key BookKraft AI features:

AI-Powered Efficiency Accessible for Beginners Cost-Effective Publishing Streamlined Workflow

Evidence-preserving AI visibility monitoring for small B2B SaaS teams.

Key AnswerProbe features:

AI-Powered Insights Content Idea Generation SEO Optimization Support Time-Saving Research

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Create ebooks for every platform: Kindle, Kobo, Apple Books, and more.

Key Vellum features:

User-Friendly Interface High-Quality Output Multi-format Support Customizable Styles

Create professional print books and eBooks easily with the all-in-one book writing software.

Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks...

Key Calibre Web features:

Open Source User-Friendly Interface Cross-Platform Mobile Support

Open Source

Professionally designed books in seconds.

Key Reedsy Book Editor features:

User-Friendly Interface Collaborative Features Typesetting and Formatting Comprehensive Export Options

AI powered Kindle alternative that works with PDFs, EPUBs.

Key Bookaroozie features:

Extensive Collection User-Friendly Interface Personalized Recommendations Community Engagement

Create offline e-books from web pages and 'overdrive.com' with a single click on the icon.

Sigil is a multi-platform WYSIWYG ebook editor. It is designed to edit books in ePub format.

Key Sigil features:

Open Source WYSIWYG Interface Multi-platform Support EPUB Support

Instantly convert text documents and ebooks to EPUB format with this free online EPUB converter.