DOCX to MOBI Converter
Publish DOCX as MOBI for Kindle — free online
Kindle-Compatible Output
MOBI files work on every Kindle device and app. Convert your DOCX manuscript for seamless reading on Amazon hardware.
Rapid Conversion
Cloud-powered processing means your DOCX becomes a MOBI in seconds — even for book-length manuscripts with images.
Convert from Any Device
Use the DOCX to MOBI converter from any browser — phone, tablet, or desktop. No eBook software needed on your side.
How to convert DOCX to MOBI
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose mobi or any other format you need as a result (more than 200 formats supported)
Let the file convert and you can download your mobi file right afterwards
About formats
Frequently Asked Questions
MOBI is widely supported on Kindle devices and the Kindle app. Converting your manuscript lets readers enjoy it on Amazon hardware.
Amazon Kindle e-readers, Kindle apps for iOS/Android/desktop, and Calibre all read MOBI files. FBReader supports them on Android too.
Word heading styles (H1, H2) map to MOBI chapters with a navigable table of contents. Inline images also carry over.
Yes — upload several DOCX files and Convertio produces individual MOBI eBooks from each one in parallel.
Free DOCX to MOBI conversion is available on Convertio. Premium plans cover higher volumes and larger file sizes.
Convertio is fully browser-based — convert from an iPad, Android tablet, laptop, or desktop. No app installation required.