EPUB Fixer

Find and repair EPUB structure errors that block publishing

Free
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About the product

What does EPUB Fixer do?

EPUB Fixer helps self-publishing authors and ebook formatters investigate a reflowable EPUB that fails KDP, Kindle Previewer, or EPUBCheck. The report points to the affected file or reference and explains which issues need a manual edit. When a supported repair is available, the tool offers a separate copy only after the structural checks and EPUBCheck pass again. It supports EPUB 2 and 3 files up to 30 MB and is free to use without an account.

Who it’s for

Who should use EPUB Fixer?

ebook formatters, Self-publishing authors are the clearest fit based on how the product is positioned.

Quick fit check

Best fit

Pricing: Free

Platforms: Web

Cost

How much does EPUB Fixer cost?

Free Check the provider’s own page for the latest pricing, packages and terms.

Directory note

Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.

Profile last updated 12 Nov 2026.
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Growth help from the team behind The Tool Directory

Built the product. Need help getting people to find, choose or keep using it?

The Tofu Group helps founders diagnose where growth is actually getting stuck — search and AI visibility, positioning, conversion, content, acquisition or retention — before adding more marketing for the sake of it.