NTFS-HFS Converter

About This Tool

This tool provides planning and estimation for cross‑OS data migrations between Windows NTFS and macOS HFS+. It analyzes the source and target volumes for metadata compatibility, feature support, and practical feasibility before any data is moved.
Core logic operates on a structured set of inputs to generate a migration plan. It performs a preflight scan, maps metadata such as permissions, ownership, ACLs, and extended attributes, estimates transfer time based on volume size and assumed throughput, and identifies feature gaps that could cause data loss.
Outputs include a step‑by‑step plan, risk indicators, and recommended settings for preserving permissions and attributes where supported. The tool is designed for IT admins, storage engineers, and cross‑platform teams, helping to reduce trial‑and‑error migrations and document decisions.
Unique differentiators include explicit mapping of NTFS streams to macOS forks, optional preservation of ACLs and metadata, and a transparent risk score with explicit caveats. It does not perform the actual conversion; it produces a documented plan suitable for manual or tooling‑assisted migrations.

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