FastCopy File Transfer Accelerator

Skill by ara.so — Devtools Skills collection.

FastCopy is a high-performance file copying and synchronization utility for Windows that uses multi-threaded I/O to maximize transfer speeds. It supports parallel streams, integrity verification, resume capabilities, and intelligent buffer management.

Installation

Windows (Recommended):

# Download from official source
# Visit: https://fastcopy.jp/en/

# Or using winget
winget install FastCopy

# Portable version - extract to desired location
Expand-Archive fastcopy-portable.zip -DestinationPath C:\Tools\FastCopy