caesiumclt を Homebrew, winget でインストール

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コマンドとエイリアス

• caesiumclt

プロジェクトの歴史

The public caesium-clt repository dates to 2015 and describes itself as Caesium Command Line Tools. The current README presents the tool as a Rust command-line compressor built on libcaesium, with lossy, lossless, maximum-size, resize, conversion, metadata, recursive, and multithreaded modes.

The project changelog records a major migration to Rust in the 0.19 line and a 1.0.0 release that consolidated multi-format compression, resizing, format conversion, dry-run, overwrite policy, and recursive batch behavior. Subsequent 1.x releases added Homebrew-oriented release automation, GIF support, human-readable size limits, minimum-savings logic, faster scanning, and JSON output.

採用の歴史

CaesiumCLT is distributed through developer and user package channels rather than only as release binaries: the official README documents Cargo, Homebrew, and Winget installs, and Homebrew carries it as the caesiumclt formula. Its audience is the overlap between web/media optimization users and shell users who want repeatable compression jobs.

使われ方

Common use is batch image compression from the shell: quality-based lossy compression, lossless optimization, recursive directory processing, conversion to WebP or JPEG, max-size targeting, and optional EXIF or timestamp preservation. The docs also expose scripting-friendly switches such as dry-run, quiet/verbose levels, thread count, and JSON output.

パッケージ好きにとっての重要性

For package maintainers, CaesiumCLT is notable as a small media CLI that wraps a dedicated compression engine while staying easy to ship across Cargo, Homebrew, Winget, and GitHub release binaries. It is a useful example of a GUI-adjacent application family exposing a clean automation surface for CI image optimization and bulk asset cleanup.

タイムライン

• 2015: Public caesium-clt repository created on GitHub.
• 2025: 1.0.0 release documents the core modern feature set.
• 2025: 1.1.0 adds GIF support and Homebrew installation notes.
• 2026: 1.3.0 release adds fast scanning and minimum-savings behavior.

Related projects

• libcaesium is the compression engine named by the README as the core library behind CaesiumCLT.
• The broader Caesium family includes SaeraSoft's graphical Caesium image compressor, while CaesiumCLT serves the command-line and automation use case.

ソース

• https://api.github.com/repos/Lymphatus/caesium-clt
• https://api.github.com/repos/Lymphatus/caesium-clt/releases
• https://github.com/Lymphatus/caesium-clt#readme
• https://github.com/Lymphatus/caesium-clt/blob/main/CHANGELOG.md
• https://github.com/Lymphatus/caesium-clt/blob/main/docs/USAGE.md