PDF to EPUB for Researchers
and Academic Readers
Read arXiv preprints, journal articles, and conference papers on your Kindle or Kobo — without pinching and zooming. toolkit.bot handles two-column layouts automatically.
Convert your paper — free →Two-column layout detection
Journal articles and arXiv preprints use two-column layouts that break on e-readers. toolkit.bot detects column boundaries and reorders text flow correctly.
Automatic TOC from headings
Section headings (Abstract, Introduction, Methods, References) are detected and become a navigable table of contents in your e-reader.
Scanned PDFs with OCR
Older papers available only as scans are processed with automatic OCR before conversion — no manual Tesseract setup required.
No account required
5 free conversions per month, no signup. Convert a paper in 30 seconds and read it on any device. Upgrade for unlimited conversions.
API for batch pipelines
Download a whole citation list as EPUB in one script. The REST API accepts PDFs and returns EPUB files — works with Python, curl, or any HTTP client.
Accessibility-focused output
Every EPUB produced targets EPUB Accessibility 1.1 — useful for researchers who use screen readers or accessibility tools.
What researchers convert
- arXiv preprints in physics, ML, and computer science for Kindle reading
- Journal articles from Nature, Science, PNAS, and open-access repositories
- Doctoral dissertations and theses for supervisors and committee members
- Conference proceedings (NeurIPS, ICML, ACL, CVPR) in bulk via the API
- Textbook chapters and course reader PDFs for tablet reading
- Clinical guidelines and systematic reviews for medical professionals
Simple pricing
- Free tier — 5 conversions/month, no signup required
- Pro — $9/month, unlimited conversions
- Pay-as-you-go — $5 for 10 conversions, no subscription
Try it on your next paper
Upload any academic PDF and download a Kindle-ready EPUB in under a minute. No account, no watermarks.
Convert now — free →