Convert HTMLZ to LRF Online — Free
Fast, free HTMLZ to LRF converter. No registration required.
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How to Convert
Upload your .htmlz file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .lrf file when it's ready.
What is HTMLZ?
HTMLZ is a zipped HTML eBook format supported by Calibre. It bundles an HTML file with images and CSS into a single ZIP archive, providing a simple portable eBook format that preserves web formatting.
Format Details
- Full Name
- Compressed HTML eBook
- Extension
- .htmlz
Key Features
- Zipped HTML
- Calibre native
- CSS support
- Portable
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
HTMLZ vs LRF
| Feature | HTMLZ | LRF |
|---|---|---|
| Full Name | Compressed HTML eBook | Sony BroadBand eBook |
| Extension | .htmlz | .lrf |
| Best For | Zipped HTML | Sony Reader native |