Lepton
From Just Solve the File Format Problem
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Latest revision as of 17:11, 9 October 2020
Lepton is a special-purpose compression algorithm and file format, developed by Dropbox. It only compresses JPEG files.
[edit] Identification
Files begin with 0xcf 0x84 (lepton), or 0xce 0xb6 (zlib compressed lepton).
The lepton software appears to also support a format it calls "UJG", which starts with ASCII "UJ".
