s4cmd ☆
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Description:
Super S3 command-line tool
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Devops
Tags: s3 cloud-storage aws cli devops
Install: brew install s4cmd
About:
S4cmd is a high-performance, Python-based command-line tool designed for managing Amazon S3 storage. It offers a faster and more user-friendly alternative to the standard AWS CLI, utilizing multi-threading to accelerate file operations like sync, upload, and download. Its primary value is significantly reducing transfer times for large datasets and improving efficiency for developers working with cloud storage.
Key Features:
  • Multi-threaded architecture for high-speed transfers
  • S3-compatible command syntax similar to standard Unix tools
  • Supports sync, upload, download, and delete operations
  • No dependency on the heavy Java-based AWS SDK
Use Cases:
  • Accelerating large-scale data backups to S3 buckets
  • Migrating datasets between local storage and S3
  • Automating data pipeline workflows involving S3
Alternatives:
  • aws-cli s3 – The official AWS CLI is more comprehensive but can be slower for bulk transfers and requires the full Java SDK.
  • s3cmd – A popular alternative written in Python, but S4cmd is often benchmarked as faster due to its multi-threading design.
Version History
Detected Version Rev Change Commit
Jan 11, 2026 8:17am 6 REVISION_ONLY 2a692e7d
Oct 10, 2024 2:31pm 3 VERSION_BUMP 66073e42
Aug 24, 2024 11:35pm 3 VERSION_BUMP f30ca805
Oct 12, 2023 8:56pm 2 VERSION_BUMP 77dffb96
Oct 2, 2023 2:21pm 1 VERSION_BUMP 8c922d65
Sep 9, 2023 4:22pm 1 VERSION_BUMP ab8e0a18
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