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brew

guetzli を Homebrew, apk, apt, MacPorts, Nix, pacman, scoop でインストール

guetzli のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

インストール

追加のインストールコマンド

macOS

Homebrew確認済み · 100%
brew install guetzli

local Homebrew formula metadata

MacPorts確認済み · 94%
sudo port install guetzli

MacPorts ports tree · graphics/guetzli/Portfile · ソース: api.github.com

Linux

Alpine Linux apk確認済み · 92%
sudo apk add guetzli

Alpine Linux edge package indexes · guetzli · ソース: dl-cdn.alpinelinux.org

Debian apt確認済み · 92%
sudo apt install guetzli

Debian stable package indexes · guetzli · ソース: deb.debian.org

Nix確認済み · 92%
nix profile install nixpkgs#guetzli

nixpkgs package indexes · pkgs/by-name/gu/guetzli/package.nix · ソース: api.github.com

Arch Linux pacman確認済み · 92%
sudo pacman -S guetzli

Arch Linux sync databases · guetzli · ソース: geo.mirror.pkgbuild.com

Windows

Scoop確認済み · 92%
scoop install main/guetzli

Scoop official bucket manifest trees · bucket/guetzli.json · ソース: api.github.com

概要

パッケージ概要

Perceptual JPEG encoder

コマンドとエイリアス

  • guetzli

履歴

プロジェクトの歴史と使われ方

Guetzli is Google's perceptual JPEG encoder for producing smaller sequential JPEG files at high visual quality. It belongs to the same family of format-compatible compression experiments as Zopfli: spend more CPU time during encoding while keeping output compatible with existing decoders.

プロジェクトの歴史

Google announced Guetzli as open source on 2017-03-16. The announcement described it as a JPEG encoder for digital images and web graphics that targeted file-size reductions while remaining compatible with existing browsers, image-processing applications, and the JPEG standard.

The repository README says Guetzli-generated images are typically 20-30 percent smaller than libjpeg images of equivalent quality, and that Guetzli emits sequential, non-progressive JPEGs. The implementation uses a psychovisual approach focused on quantization decisions, with Butteraugli-related perceptual modeling present in the repository.

採用の歴史

Guetzli was quickly packaged because it offered an easy experiment for web image optimization: a single CLI that reads PNG or JPEG input and writes optimized JPEG output. The official README documents Homebrew and MacPorts installation paths, and the input metadata records packaging across Alpine, Homebrew, Debian, MacPorts, Nix, Arch, Scoop, and Ubuntu.

Its adoption was bounded by cost. The README warns that it uses about 300 MB of memory per megapixel and roughly one minute of CPU per megapixel, making it better suited to offline asset pipelines than interactive image conversion.

使われ方

The CLI usage is direct: `guetzli [--quality Q] [--verbose] original.png output.jpg` or the same with JPEG input. The README recommends high-quality, preferably uncompressed input and notes that PNG alpha is flattened onto black because JPEG has no alpha channel.

Guetzli assumes sRGB input with gamma 2.2 and ignores color-profile metadata. That assumption is important in package notes because it affects whether the tool is appropriate for a given image workflow.

パッケージ好きにとっての重要性

Guetzli is a package-nerd favorite because it embodies a clear tradeoff: excellent density for legacy JPEGs, paid for with CPU and memory. It is a compact command-line artifact from a major research organization, easy to package, easy to benchmark, and easy to compare against libjpeg, MozJPEG, Zopfli, WebP, JPEG XL, and later Jpegli work.

Google's later Jpegli announcement explicitly places newer JPEG work in relation to earlier Guetzli-style heuristics, making Guetzli part of the historical path from high-effort JPEG optimization toward faster modern JPEG-compatible encoders.

タイムライン

  • 2017-03-16: Google Open Source Blog announces Guetzli.
  • 2017-03-21: GitHub release metadata shows the release series around the public launch window.
  • 2017: README documents POSIX, Windows, macOS, Homebrew, MacPorts, and Bazel build paths.
  • 2024: Google's Jpegli announcement discusses faster heuristics developed after earlier Guetzli-style approaches.

Related projects

  • Guetzli is related to libjpeg, MozJPEG, Butteraugli, Zopfli, WebP, JPEG XL, Brunsli, and Jpegli. Its distinguishing trait is staying inside the legacy JPEG format while using a slower perceptual search to improve compression density.

セキュリティ状態

リスクレベル: グリーン

narrow executable package without higher-risk signals.

リスク分類器

リスク グリーン · 信頼度 低 · appliance

理由

  • narrow executable package without higher-risk signals

信号

  • metadata:no-higher-risk-signals

インストール挙動

  • formula メタデータに Homebrew post-install フックは記録されていません。
  • Homebrew bottle メタデータは 13 個のプラットフォームターゲットで利用できます。
  • 1 件の実行時依存関係とともにインストールされます。
  • ビルドメタデータには 1 件のビルド依存関係があります。

推奨レビュー

エージェントに無人実行させる前に、このツールが平文の認証情報を読むか、リモート状態を書き込むか、成果物を公開するか、プラグインを起動するかを確認してください。

実行可能ファイル

インストールされる実行可能ファイル

コマンド種類公開範囲メモ
guetzlicliグローバル実行可能ファイル

鮮度

バージョンと鮮度

これらの信号は、ページ生成時期、パッケージマネージャの活動、上流リリース比較を分けて示します。バージョン遅れは、証拠 URL と比較可能なバージョンがある場合だけ警告されます。

ページ生成日2026-07-08
マネージャ版1.0.1
マネージャ更新日
ローカルデータOK
上流最新
検出された最新v1.0.1

https://github.com/google/guetzli

  • 情報No package-manager update timestamp was available.信頼度 低

インストールメタデータ

パッケージメタデータ

パッケージキーbrew:guetzli
バージョン1.0.1
パッケージマネージャHomebrew
パッケージマネージャページhttps://formulae.brew.sh/formula/guetzli
ホームページhttps://github.com/google/guetzli
リポジトリhttps://github.com/google/guetzli
上流ドキュメントhttps://github.com/google/guetzli#readme
ライセンスApache-2.0
ソースアーカイブhttps://github.com/google/guetzli/archive/refs/tags/v1.0.1.tar.gz
依存関係libpng
ビルド依存関係pkgconf
Bottle利用可能 (対象 arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura, x86_64_linux)
Homebrew post-install未定義
サービス宣言なし

レジストリ情報

ソースデータベース詳細

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Nameguetzli
Version Scheme0
Revision0
Head VersionHEAD
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
URL Keys
  • head
  • stable

ソースデータベース一致

他のパッケージマネージャ記録

一致は外部パッケージマネージャインデックスから取得され、ローカルの Automic Vault パッケージリンクとは分けて表示されます。

Debian apt95%

guetzli 1.0.1-2

perceptual JPEG encoder

https://github.com/google/guetzli

sudo apt install guetzli
  • Section: graphics
  • Architecture: amd64
  • 4 依存関係
  • normalized package name match
  • 一致条件: Guetzli
Debian stable package indexes · deb.debian.org · Debian stable package indexes: guetzli from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Nix95%

guetzli

nix profile install nixpkgs#guetzli
  • normalized package name match
  • 一致条件: Guetzli
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/gu/guetzli/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
Ubuntu apt95%

guetzli 1.0.1-1build3

perceptual JPEG encoder

https://github.com/google/guetzli

sudo apt install guetzli
  • Section: universe/graphics
  • Architecture: amd64
  • 4 依存関係
  • normalized package name match
  • 一致条件: Guetzli
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: guetzli from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
apk95%

guetzli 0_git20191025-r3

Perceptual JPEG encoder that aims for excellent compression density at high visual quality

https://github.com/google/guetzli

sudo apk add guetzli
  • License: Apache-2.0
  • Architecture: x86_64
  • Source Package: guetzli
  • 1 依存関係
  • 1 提供
  • normalized package name match
  • 一致条件: Guetzli
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: guetzli from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
apk95%

guetzli-dev 0_git20191025-r3

Perceptual JPEG encoder that aims for excellent compression density at high visual quality (development files)

https://github.com/google/guetzli

sudo apk add guetzli-dev
  • License: Apache-2.0
  • Architecture: x86_64
  • Source Package: guetzli
  • normalized package name match
  • 一致条件: Guetzli
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: guetzli-dev from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
pacman95%

guetzli 1.0.1-5

Perceptual JPEG encoder

https://github.com/google/guetzli

sudo pacman -S guetzli
  • License: Apache
  • Architecture: x86_64
  • 1 依存関係
  • normalized package name match
  • 一致条件: Guetzli
Arch Linux sync databases · geo.mirror.pkgbuild.com · Arch Linux sync databases: guetzli from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz
MacPorts95%

guetzli

sudo port install guetzli
  • normalized package name match
  • 一致条件: Guetzli
MacPorts ports tree · api.github.com · MacPorts ports tree: graphics/guetzli/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1
Scoop95%

main/guetzli

scoop install main/guetzli
  • normalized package name match
  • 一致条件: Guetzli
Scoop official bucket manifest trees · api.github.com · Scoop official bucket manifest trees: bucket/guetzli.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1

ソース経路

リポジトリデータから生成

このページは scripts/generate-pkg-sqlite.py が生成した非公開のパッケージ SQLite アーティファクトから av-web によって提供されます。

使用ソース

  • Geiger risk classifier
  • Nucleus package database
  • av.db category and tag curation
  • cross-ecosystem install command graph
  • curated package history
  • external package-manager database matches
  • package relationship graph
  • package version freshness
  • package-page enrichment