Document Conversion
Convert DOCX to MOBI Online — Free
Fast, free DOCX to MOBI converter. No registration required.
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Works Everywhere
Any browser, any device
How to Convert
1
Upload your .docx file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .mobi file when it's ready.
What is DOCX?
DOCX is the modern Microsoft Word format introduced in Office 2007. It's the standard format for editable documents in business and education.
Format Details
- Full Name
- Microsoft Word Document
- Extension
- .docx
Key Features
- Editable
- Microsoft Office
- Rich formatting
- Track changes
What is MOBI?
MOBI is an ebook format used by Amazon Kindle devices. While Amazon now prefers EPUB, MOBI remains compatible with older Kindle models.
Format Details
- Full Name
- Mobipocket eBook
- Extension
- .mobi
Key Features
- Kindle compatible
- DRM support
- Ebook standard
- Amazon format
DOCX vs MOBI
| Feature | DOCX | MOBI |
|---|---|---|
| Full Name | Microsoft Word Document | Mobipocket eBook |
| Extension | .docx | .mobi |
| Best For | Editable | Kindle compatible |
Frequently Asked Questions
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.