Broad Band eBook LRF

Unknown

text

Broad Band eBook (BBeB) is a proprietary e-book format created by Sony and Canon for Sony e-book readers. The LRF variant is a compiled, unencrypted version of an LRS file. Sony discontinued development of BBeB in 2010, in favour of the EPUB format.

Identify it

Extensions	`.lrf.lrs.lrx`
Signatures	`4c00520046000000` at byte 0 (Broad Band eBook (lrf)) `4c0052004600` at byte 0
PRONOM	`fmt/518`
Wikidata	`Q921895`

Not sure your file is this? Identify it from its first bytes, in your browser.

Open it

Sony Readerreads

Convert it

No conversion recorded. One of the tools above may export it; search for a chain.

Sources

PRONOM fmt/518
Wikidata Q921895

From PRONOM, Wikidata. Updated 2026-10-20.

Improve this record JSON