Format reference

7Z Format Hub

7z (.7z) archives use LZMA/LZMA2 compression for high ratio and support solid blocks, encryption, and multi-volume sets. Use sample .7z files to test extraction libraries, encryption parameters, and multi-part archival.

Open Sample Page Open Manifest JSON
4 Files
391 Downloads (30d)
application/x-7z-compressed
Related Formats in Archive

7Z Related Formats

ZIP (67) ZST (8) BZ2 (4) GZ (4) RAR (4) TAR (4) TAR.XZ (4) TBZ2 (4)
Related Comparisons

7Z Format Comparisons

ZIP vs 7Z

Assess portability of ZIP against compression gains from 7Z.

Open Comparison
Format Strategy Links

7Z Format Guides

Open 7Z FAQ

Best Format Guides

Best Archive Format for Cross-Platform Download Bundles

Best Format for Use Cases

Miglior formato per bundle di download compressi Miglior formato per trasferimenti archivio ad alta compressione Best Format for Cross-Platform Download Bundles

Conversion Guides

How to Convert 7Z to ZIP How to Convert ZIP to 7Z How to Convert 7Z to ZST How to Convert ZST to 7Z
Implementation Notes

7Z Implementation Notes

Use the manifest endpoint for deterministic fixture selection in CI, then validate MIME/type detection against actual parser output.

If this format appears in multiple categories, prefer category-specific hub pages to keep test assumptions aligned with real usage.