For Authors & Writers

Free tools worth knowing about.

No signup, no catch. Just a short list of free tools we use and recommend for drafting, formatting, and designing your book.

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Sigil

A free eBook editor that lets you edit EPUB files directly, useful for fixing formatting issues or making last minute changes without going through a full export pipeline.

Visit Sigil-Ebook.com
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KDP Cover Calculator

Amazon's own calculator for working out the exact size of your print book cover, based on page count, trim size, and paper type. Essential before sending a cover to print.

Visit KDP Cover Templates
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Kaiyo Manuscript Editor

An online editor that automatically formats your manuscript and highlights problem areas, including passive voice, filler words, clichés, and more, as you write.

Visit Kaiyo Zero

Know a tool we should add?

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