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MOBI to EPUB Converter

Convert MOBI ebooks to EPUB format in the browser — pure JavaScript. Parses MOBI (PalmDB + MOBI + EXTH headers + text records), extracts chapter text, splits into chapters by <h1>/<h2>/<mbp:pagebreak/>, generates an EPUB 3 (OPF + NCX + NAV + XHTML chapters). Supports custom title/author, CSS, encoding. 100% client-side.

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Convert MOBI ebooks to EPUB format in the browser — pure JavaScript. Parses MOBI (PalmDB + MOBI + EXTH headers + text records), extracts chapter text, splits into chapters by <h1>/<h2>/<mbp:pagebreak/>, generates an EPUB 3 (OPF + NCX + NAV + XHTML chapters). Supports custom title/author, CSS, encoding. 100% client-side. Everything runs locally in your browser — your data never leaves your device.

How to use

  1. Enter your input in the tool above.
  2. Adjust any options to your preference.
  3. Use the Copy or Download buttons to save the result.
  4. Everything happens locally — your data never leaves your browser.
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