Select a chapter to review its reading text.
Private, API-free conversion
Give a fixed document room to breathe.
Turn eligible PDFs into clean, reflowable EPUB files. Paperturn detects structure, shows you what it found, and never changes your words.
For clean born-digital PDFs.
Scans, complex magazines and heavily designed documents need specialist work. We will flag that honestly instead of pretending a one-click conversion is perfect.
Scans, complex magazines and heavily designed documents need specialist work. We will flag that honestly instead of pretending a one-click conversion is perfect.
What this prototype does
It processes the file locally, extracts selectable text, proposes chapter headings, and builds a standards-shaped EPUB you can read on compatible devices.
✓No external AI or upload.
PDF data remains on your device during conversion.
PDF data remains on your device during conversion.
✓Source-faithful text.
It does not rewrite, summarise or translate.
It does not rewrite, summarise or translate.
✓Editable document structure.
Change the title, author, language and proposed chapter breaks before export.
Change the title, author, language and proposed chapter breaks before export.
Best with text-based reports, papers, theses and simple books. Image and table reconstruction are intentionally not included in this first browser-only build.