Modded 7zip For Lz4 [updated] Jun 2026

There is a long-standing feature request on the 7‑Zip SourceForge page (#1665 and #2047). Igor Pavlov has hinted that future major versions (perhaps 7‑Zip 25.00+) might adopt a plug-in codec architecture, which would allow adding LZ4 without forking. But as of 2025, there is no official timeline.

LZ4 is a "good piece" indeed—it's widely loved for its insane decompression speeds (multi-GB/s) while keeping a decent compression ratio modded 7zip for lz4

A modern fork of 7-Zip specifically designed for Windows 11. It includes many of the ZS codecs (including LZ4) while offering a cleaner integration with the Windows context menu. Conclusion There is a long-standing feature request on the

: It can ingest external files as dictionaries to improve the compression ratio of small, similar files. modded 7zip for lz4