Author Tools
We use professional tools every day to publish 500+ books. Now we're putting them in your hands — simple, fast, and affordable.
Upload your cover and instantly get a stunning 3D mockup for social media, ads and your author website. Free, no watermark, transparent PNG download.
Open Free Tool →Validate your EPUB against retailer standards and get a clear error report before you publish. Free, private, instant.
Open Free Tool →Convert any PDF into a print-ready PDF/X file accepted by KDP and IngramSpark — fonts embedded, colors fixed. $5 per conversion.
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