Client-side Processing

KoboForge

Drop a document, preview it on your Kobo, edit, export. Always reflowable & editable. Nothing is uploaded.

1. Import

Drop a file here

DOCX, PDF, TXT, Markdown, or images (PNG, JPEG, GIF, WebP). Best from DOCX. Stays in this browser.

Your Kobo

Preview device

Libra Colour default

Preview only. Line breaks can still vary with Kobo firmware.

Book details & options
2. Preview & edit

Device view

Edit or Diff on the same Kobo page. Diff keeps red/green marks while you type.

3. Summary

Conversion overview

Waiting for a document.
4. Export

Download EPUB

Device specification sources

Profiles use Rakuten Kobo’s published technical specifications for Clara BW, Clara Colour, Libra Colour, Sage, and Elipsa 2E. Screen placement inside the bezel is estimated because Kobo publishes body and display dimensions, not bezel offsets.