Ebook Conversion
Convert LRF to MOBI Online — Free
Fast, free LRF to MOBI converter. No registration required.
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How to Convert
1
Upload your .lrf 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 LRF?
LRF is Sony's proprietary eBook format developed for Sony Reader devices. Discontinued in favor of EPUB, LRF files require conversion to remain readable on modern devices.
Format Details
- Full Name
- Sony BroadBand eBook
- Extension
- .lrf
Key Features
- Sony Reader native
- BBeB format
- Fixed layout support
- Discontinued format
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
LRF vs MOBI
| Feature | LRF | MOBI |
|---|---|---|
| Full Name | Sony BroadBand eBook | Mobipocket eBook |
| Extension | .lrf | .mobi |
| Best For | Sony Reader native | 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.