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Technical Issues with EPUB and PDF: Details Slowing Down Sales

If readers encounter file problems, trust is lost. Starting sales without checking technical quality can be a long-term setback.

7/6/2026 · 11 min read · Postique Blog

The best sales copy can suffer from file issues or poorly formatted pages.

Checklist of items to verify

  • Minimal test on mobile devices: font size and layout fit
  • Proper heading/paragraph hierarchy in EPUB
  • Cover and footer images not cut off on PDF pages
  • Download links work reliably and use the intended access controls

Additionally, if auto-delivery after checkout doesn’t work properly, it can create a trust issue.

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