MOBI to EPUB Converter
Inspect your MOBI file metadata in the browser and follow clear step-by-step instructions to convert it to EPUB using Calibre or free online tools.
Use the MOBI to EPUB Converter
MOBI File Inspector
Drop or select a .mobi file to inspect its metadata. Nothing is uploaded.
Drag & drop your MOBI file here
or click to browse
Calibre Command
Convert with Calibre (Recommended)
Free, offline, handles all MOBI variants
-
1
Download and install Calibre from
calibre-ebook.com(Windows, macOS, Linux). - 2 Open a terminal (Command Prompt on Windows, Terminal on macOS/Linux).
- 3 Run the conversion command. Replace the filenames with your actual file paths:
ebook-convert "my-book.mobi" "my-book.epub"
Calibre also offers a GUI: open Calibre, add your MOBI file, right-click it, choose Convert books > Convert individually, set output format to EPUB, and click OK.
Advanced Calibre Options
Fine-tune output quality and formatting
Preserve images and formatting
ebook-convert input.mobi output.epub --enable-heuristics
Set custom metadata
ebook-convert input.mobi output.epub --title "My Book" --authors "Author Name"
Batch convert a folder
for f in *.mobi; do ebook-convert "$f" "${f%.mobi}.epub"; done
Free Online Converters
No software install required — uploads file to their servers
Simple drag-and-drop interface; supports up to 150 MB files; free tier available.
High-quality conversion with format options; 25 free conversions per day.
Fast conversion; supports cloud storage import from Google Drive and Dropbox.
Online converters upload your file to external servers. Do not use them for confidential or copyrighted DRM-protected books.
Summary
MOBI is Amazon's proprietary ebook format used by Kindle devices, while EPUB is the open, widely-supported standard used by Apple Books, Kobo, Google Play Books, and most e-readers. Converting MOBI to EPUB unlocks your library for use on any device. This tool inspects your MOBI file locally in the browser and guides you through conversion using Calibre's free command-line tool or popular web-based services.
How it works
- Drop or select your MOBI file — the inspector reads its header bytes in the browser without uploading anything.
- View the file's title, author, file size, and format details instantly.
- Follow the Calibre command-line instructions or choose a recommended online converter.
- Run the provided ebook-convert command to produce an EPUB file on your computer.
- Open the resulting EPUB in any compatible reader such as Apple Books, Calibre, or Kobo.
Use cases
- Convert Kindle MOBI ebooks to EPUB for use on Kobo or Apple Books.
- Migrate an ebook library from Amazon format to the open EPUB standard.
- Prepare ebooks for editing in Sigil or other EPUB editors.
- Share ebooks with friends who use non-Kindle e-readers.
- Archive personal ebooks in the more future-proof EPUB format.
- Strip device restrictions before format conversion using Calibre DeDRM plugin.