Formats
Supported formats
eBook Pro opens PDF, EPUB (2 and 3) and TXT files. This page states exactly what works for each, including limitations.
Fixed-layout pages rendered with the PDFium engine.
| Capability | Support | Notes |
|---|---|---|
| Import | ✔ Yes | From device storage, copied into the app. |
| Reading | ✔ Yes | Page-by-page; one page on phones, optionally two-page spreads on wide screens. |
| Search | ✔ Yes | Uses the PDF’s own text layer. Pages without text are read with on-device OCR (Android only; English and Hindi). |
| Text extraction | ✔ Yes | Used for selection, lookups and search. Scanned PDFs depend on OCR quality. |
| Images | ✔ Yes | Pages are rendered as images, so figures appear as in the original. |
| Layout | ✔ Yes | Original layout preserved. Optional automatic margin cropping. |
| Navigation | ◐ Partial | PDF outline (bookmarks) is used when the file contains one. |
| Zoom | ✔ Yes | Pinch-to-zoom and pan. |
| Highlights & annotations | ✔ Yes | Pen and highlighter drawn over the page. |
EPUB (EPUB 2 and EPUB 3)
Packages are unpacked and re-flowed as text in eBook Pro’s typography.
| Capability | Support | Notes |
|---|---|---|
| Import | ✔ Yes | EPUB 2 and EPUB 3 packages are recognised. |
| Reading | ✔ Yes | Re-flowed text with your chosen theme and typography. |
| Search | ◐ Partial | Basic text search; verify results on large books. |
| Text extraction | ✔ Yes | Text is extracted directly from the book. |
| Images | ◐ Partial | Image-only fixed-layout EPUBs (comics, picture books) open as page images. Images inside reflowable chapters are not displayed currently. |
| Layout | ◐ Partial | The book’s own CSS is not applied; eBook Pro’s typography is used instead. Fixed-layout books that contain text are shown as reflowable text. |
| Navigation | ✔ Yes | EPUB 3 navigation document and EPUB 2 NCX are both read. |
| Zoom | ◐ Partial | Adjust text size and typography; pinch-zoom applies to PDF and image-page books. |
| Highlights & annotations | ✔ Yes | Pen and highlighter, and flashcards from highlights. |
TXT
Plain text, split into paragraphs.
| Capability | Support | Notes |
|---|---|---|
| Import | ✔ Yes | Plain text files. |
| Reading | ✔ Yes | Re-flowed text. |
| Search | ◐ Partial | Basic text search. |
| Text extraction | ✔ Yes | The file is already text. |
| Images | — No | Not applicable. |
| Layout | ✔ Yes | Paragraphs are split on blank lines. |
| Navigation | ◐ Partial | No chapters; progress by page and percentage. |
| Zoom | ◐ Partial | Adjust text size and typography. |
| Highlights & annotations | ✔ Yes | Pen and highlighter. |
Not supported
- MOBI / AZW
- DOCX
- CBZ / CBR comic archives
- DRM-protected files
OCR
OCR reads scanned PDF pages and illustrations so their text can be selected, copied, searched and translated. It runs on your device (Google ML Kit, Latin and Devanagari scripts) on Android and is not available in the web app.