macOS
Homebrew已验证 · 100%
brew install guetzlilocal Homebrew formula metadata
MacPorts已验证 · 94%
sudo port install guetzliMacPorts ports tree · graphics/guetzli/Portfile · 来源: api.github.com
安装
其他安装命令
Linux
Alpine Linux apk已验证 · 92%
sudo apk add guetzliAlpine Linux edge package indexes · guetzli · 来源: dl-cdn.alpinelinux.org
Debian apt已验证 · 92%
sudo apt install guetzliDebian stable package indexes · guetzli · 来源: deb.debian.org
Nix已验证 · 92%
nix profile install nixpkgs#guetzlinixpkgs package indexes · pkgs/by-name/gu/guetzli/package.nix · 来源: api.github.com
Arch Linux pacman已验证 · 92%
sudo pacman -S guetzliArch Linux sync databases · guetzli · 来源: geo.mirror.pkgbuild.com
Windows
Scoop已验证 · 92%
scoop install main/guetzliScoop official bucket manifest trees · bucket/guetzli.json · 来源: api.github.com
概览
软件包摘要
Perceptual JPEG encoder
历史
项目历史与用法
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.
项目历史
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.
采用历史
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.
使用方式
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.
为什么软件包爱好者会关心
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.
时间线
- 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.
来源
安全态势
风险级别：绿色
narrow executable package without higher-risk signals.
风险分类器
绿色 风险 · 低 置信度 · appliance
原因
- narrow executable package without higher-risk signals
信号
- metadata:no-higher-risk-signals
安装行为
- formula 元数据中未记录 Homebrew post-install 钩子。
- Homebrew bottle 元数据适用于 13 个平台目标。
- 安装时包含 1 个运行时依赖。
- 构建元数据列出 1 个构建依赖。
建议审查
在无人值守的代理使用前，请检查该工具是否读取明文凭据、写入远程状态、发布制品或调用插件。
可执行文件
已安装的可执行文件
| 命令 | 类型 | 暴露范围 | 备注 |
|---|---|---|---|
guetzli | cli | 全局可执行文件 |
新鲜度
版本和新鲜度
这些信号区分页生成时间、软件包管理器活动和上游发布比较。只有存在证据 URL 和可比较版本时，才会提示版本落后。
页面生成时间2026-07-08
管理器版本1.0.1
管理器更新时间
本地数据OK
上游当前
检测到的最新版本v1.0.1
https://github.com/google/guetzli
- 信息No package-manager update timestamp was available.低 置信度
安装元数据
软件包元数据
| 软件包键 | brew:guetzli |
|---|---|
| 版本 | 1.0.1 |
| 软件包管理器 | Homebrew |
| 软件包管理器页面 | https://formulae.brew.sh/formula/guetzli |
| 主页 | https://github.com/google/guetzli |
| 仓库 | https://github.com/google/guetzli |
| 上游文档 | https://github.com/google/guetzli#readme |
| 许可证 | Apache-2.0 |
| 源码归档 | https://github.com/google/guetzli/archive/refs/tags/v1.0.1.tar.gz |
| 依赖 | libpng |
| 构建依赖 | pkgconf |
| Bottle | 可用 (于 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 | 未定义 |
| 服务 | 未声明 |
注册表事实
源数据库详情
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | guetzli |
| Version Scheme | 0 |
| Revision | 0 |
| Head Version | HEAD |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
源数据库匹配
其他软件包管理器记录
匹配项来自外部软件包管理器索引，并与本地 Automic Vault 软件包链接分开显示。
Debian apt95%
guetzli 1.0.1-2
perceptual JPEG encoder
https://github.com/google/guetzli
sudo apt install guetzli- Section: graphics
- Architecture: amd64
- 4 依赖
- normalized package name match
- 匹配方式：Guetzli
Nix95%
guetzli
nix profile install nixpkgs#guetzli- normalized package name match
- 匹配方式：Guetzli
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 依赖
- normalized package name match
- 匹配方式：Guetzli
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 依赖
- 1 提供
- normalized package name match
- 匹配方式：Guetzli
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
- 匹配方式：Guetzli
pacman95%
guetzli 1.0.1-5
Perceptual JPEG encoder
https://github.com/google/guetzli
sudo pacman -S guetzli- License: Apache
- Architecture: x86_64
- 1 依赖
- normalized package name match
- 匹配方式：Guetzli
MacPorts95%
guetzli
sudo port install guetzli- normalized package name match
- 匹配方式：Guetzli
Scoop95%
main/guetzli
scoop install main/guetzli- normalized package name match
- 匹配方式：Guetzli
来源线索
由仓库数据生成
此页面由 av-web 从 scripts/generate-pkg-sqlite.py 生成的私有软件包 SQLite 工件提供。
Combined YAML source
View the package source record on GitHub.
使用的来源
- 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