POZ maintains a block index in memory (or mmap’d from the archive):
No full decompression needed for random access. pureonyxzip best
poz list out.poz --show-hashes --block-stats POZ maintains a block index in memory (or
| Feature | WinRAR | 7-Zip | PureOnyxZip | | :--- | :--- | :--- | :--- | | Compression Ratio | Good | Very Good | Best | | Error Correction | No | No | Yes (5% recovery) | | GPU Decompression | No | No | Yes (CUDA/OpenCL) | | Malware Scanning | Basic | None | Heuristic (Pre-extract) | | Price | $29 | Free | Free (Core) / Pro ($19) | No full decompression needed for random access
PureOnyxZIP Best is presented here as a fictional advanced file-compression and archiving tool focused on high compression ratios, speed, security, and cross-platform integration. This feature spec covers user personas, core capabilities, architecture, UX flows, performance targets, security/privacy, extensibility, and a rollout plan.