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YULS

YULS or YUVsoft's Lossless Video Codec, a lossless video codec developed by YUVsoft, was designed to produce highly compressed lossless video. YULS compares favorably, in terms of compression ratio, with other codecs.

Last revised
Jun 23, 2026
Read time
≈ 1 min
Length
129 w
Citations
2
Source
Wikipedia ↗
YUVsoft's Lossless Video Codec
Original authorMaxim Smirnov
DeveloperYUVsoft
Stable release
1.0.3
Written inC++
Operating systemMicrosoft Windows
PlatformIA-32
Available inEnglish
Typelossless video codec
LicenseProprietary, free for non-commercial use
Websitewww.yuvsoft.com/2d-technologies/lossless-video-codec/

YULS or YUVsoft's Lossless Video Codec, a lossless video codec developed by YUVsoft, was designed to produce highly compressed lossless video. YULS compares favorably, in terms of compression ratio, with other codecs.1

Releases

Version Changes2
1.0.3
  • compression ratio improved by 5%
1.0.2
  • YV12 and YUY2 are no longer converted to RGB24
  • 2–4% speed increase
  • Handling of incorrect state loading
1.0.1
  • 2–3% speed increase
  • persistent state
  • error handling improved
  • dialog windows reworked
1.0.0 Initial public release
References

References

  1. Seleznev, Iwan & Smirnov, Maxim (March 2007), Vatolin, Dmitriy (ed.), "Lossless Video Codecs Comparison '2007" (PDF), Video Group, MSU Graphics & Media Lab, retrieved 2011-11-27
  2. "YUVsoft's Lossless Video Codec Change Log" (txt), YUVSoft, retrieved 2011-11-27