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brew

Install jpeg with Homebrew, apk, MacPorts, zypper

Image manipulation library. Version 10 via Homebrew; verified from local package data.

Install commandSecurity notes

install

Additional install commands

macOS

Homebrewverified · 100%
brew install jpeg

local Homebrew formula metadata

MacPortsverified · 94%
sudo port install jpeg

MacPorts ports tree · graphics/jpeg/Portfile · source: api.github.com

overview

Package summary

Image manipulation library

Commands and aliases

  • cjpeg
  • djpeg
  • jpegtran
  • rdjpgcom
  • wrjpgcom

history

Project history and usage

The Homebrew `jpeg` formula represents the Independent JPEG Group's libjpeg software, one of the classic Unix image libraries behind JPEG encoding, decoding, and transformation tools. IJG describes itself as an informal group that writes and distributes a widely used free JPEG compression library, with the first version released on 7 October 1991.

Project history

IJG's package grew around a portable C implementation of the JPEG standard, plus command-line tools such as `cjpeg`, `djpeg`, `jpegtran`, `rdjpgcom`, and `wrjpgcom`. Its README emphasizes portability, flexibility, and industrial-strength reuse rather than tutorial code, which explains why libjpeg became infrastructure rather than just a sample implementation.

The package also became a baseline for later JPEG implementations and forks. libjpeg-turbo maintains a reference repository of IJG code for comparison and benchmarking, while the IJG reference site frames libjpeg as the technical basis of a media format that remains massively deployed.

Adoption history

IJG libjpeg spread because it gave Unix, desktop, and embedded software a royalty-free way to read and write JPEG files. Package managers expose both the library and its small CLI utilities, making it a dependency of image viewers, converters, web tooling, and batch-processing scripts.

The 6b ABI became especially important in distribution culture because many downstream projects and alternative implementations, including libjpeg-turbo and mozjpeg-compatible builds, preserved or targeted that interface.

How it is used

`cjpeg` and `djpeg` convert between JPEG and other image formats, `jpegtran` performs lossless transforms and transcoding, and `rdjpgcom`/`wrjpgcom` handle textual comments. Developers also link against libjpeg directly when adding JPEG support to applications.

Why package nerds care

For package maintainers, IJG JPEG is a canonical example of a tiny-looking formula that underpins a huge dependency graph. Its ABI history explains why distributions often care about which JPEG implementation satisfies `libjpeg` and why compatibility with IJG behavior still matters decades after the format became ordinary.

Timeline

  • 1991-10-07: IJG released the first version of its JPEG software.
  • 1998-03-27: IJG release 6b established a long-lived compatibility target for downstream libraries and tools.
  • 2024: The IJG reference site marked JPEG's 33rd anniversary and described ongoing libjpeg development.
  • 2026-01-25: IJG release 10 was published.

Related projects

  • Related projects include libjpeg-turbo, mozjpeg, JPEG Club's IJG reference material, and the many CLI tools that build on libjpeg-compatible APIs.

security posture

No protected-tool coverage found yet

No matching local secret-handling manifest was found for jpeg. Nucleus package metadata is still published here so future coverage has a stable package URL.

Install behavior

  • No Homebrew post-install hook is recorded in formula metadata.
  • Homebrew bottle metadata is available for 6 platform targets.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
cjpegcliglobal executable
djpegcliglobal executable
jpegtrancliglobal executable
rdjpgcomcliglobal executable
wrjpgcomcliglobal executable

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-07-10
manager version10
manager updated
local dataok
upstreamnot checked
latest detectednot detected

https://www.ijg.org/

  • infoNo package-manager update timestamp was available.low confidence
  • infoRelease/tag comparison is only available for GitHub repositories.https://www.ijg.org/none confidence

install metadata

Package metadata

Package keybrew:jpeg
Version10
Package managerHomebrew
Package manager pagehttps://formulae.brew.sh/formula/jpeg
Homepagehttps://www.ijg.org/
Upstream docshttps://www.ijg.org/
LicenseIJG
Source archivehttps://www.ijg.org/files/jpegsrc.v10.tar.gz
Bottleavailable (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-installnot defined
Servicenone declared

registry facts

Source database details

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Namejpeg
Aliases
  • libjpeg
  • libjpg
Version Scheme0
Revision0
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyyes
URL Keys
  • stable

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

apk95%

jpeg 9f-r0

Wrapper for libjpeg-turbo

https://www.ijg.org/

sudo apk add jpeg
  • License: Public Domain
  • Architecture: x86_64
  • Source Package: jpeg
  • 1 dependencies
  • normalized package name match
  • Matched by: Jpeg
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: jpeg from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
apk95%

jpeg-dev 9f-r0

Wrapper for libjpeg-turbo-dev

https://www.ijg.org/

sudo apk add jpeg-dev
  • License: Public Domain
  • Architecture: x86_64
  • Source Package: jpeg
  • 1 dependencies
  • normalized package name match
  • Matched by: Jpeg
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: jpeg-dev from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
apk95%

libjpeg 9f-r0

Wrapper for libjpeg-turbo

https://www.ijg.org/

sudo apk add libjpeg
  • License: Public Domain
  • Architecture: x86_64
  • Source Package: jpeg
  • 1 dependencies
  • normalized package name match
  • Matched by: Jpeg
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: libjpeg from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
zypper95%

libjpeg-turbo 3.1.4.1-83.2

A SIMD-accelerated library for manipulating JPEG image files

https://libjpeg-turbo.org/

sudo zypper install libjpeg-turbo
  • License: BSD-3-Clause
  • Category: Unspecified
  • Architecture: x86_64
  • Source Package: libjpeg-turbo
  • 4 dependencies
  • 3 provides
  • normalized package name match
  • Matched by: Jpeg
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: libjpeg-turbo from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst
MacPorts95%

jpeg

sudo port install jpeg
  • normalized package name match
  • Matched by: Jpeg
MacPorts ports tree · api.github.com · MacPorts ports tree: graphics/jpeg/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

Same workflow

  • jpegtran-binExecutable or command metadata overlaps with this package. Shared terms: image, jpeg, jpegtran.
  • jpeg-archiveBoth packages work with overlapping file formats or content types. Shared terms: image, jpeg.
  • jpeg-turboBoth packages work with overlapping file formats or content types. Shared terms: image, jpeg.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • Nucleus package database
  • cross-ecosystem install command graph
  • curated package history
  • external package-manager database matches
  • package relationship graph
  • package version freshness
  • package-page enrichment