# Install dcm2niix with Homebrew, apt, dnf, MacPorts, Nix DICOM to NIfTI converter. Version 1.0.20260416 via Homebrew; verified 2026-05-07. ## Install ```sh sudo av install brew:dcm2niix ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install dcm2niix ``` Evidence: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install dcm2niix ``` Evidence: MacPorts ports tree: science/dcm2niix/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ### Linux - Debian apt (92%): ```sh sudo apt install dcm2niix ``` Evidence: Debian stable package indexes: dcm2niix from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz - dnf (92%): ```sh sudo dnf install dcm2niix ``` Evidence: Fedora Rawhide package metadata: dcm2niix from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst - Nix (92%): ```sh nix profile install nixpkgs#dcm2niix ``` Evidence: nixpkgs package indexes: pkgs/by-name/dc/dcm2niix/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 ## Package facts - **Package key:** brew:dcm2niix - **Package manager:** Homebrew - **Package manager page:** - **Version:** 1.0.20260416 - **Source summary:** DICOM to NIfTI converter - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** BSD-3-Clause - **Source archive:** - **Last updated:** 2026-05-07T20:43:44Z - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - dcm2niix (cli) - dcm2niix (alias) ## Build dependencies - cmake ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## Freshness - Page generated: 2026-07-08 - Package-manager version: 1.0.20260416 - Package-manager updated: 2026-05-07 - Local data: ok - Upstream repository: https://github.com/rordenlab/dcm2niix - Upstream latest detected: v1.0.20260416 (current) ## Project history and usage dcm2niix is a command-line DICOM-to-NIfTI converter for neuroimaging data. The official README frames the problem plainly: medical imaging devices usually save DICOM, while many scientific tools expect the simpler NIfTI format. ### Project history The GitHub repository was created in 2014 and hosts developmental source code, while stable compiled builds are distributed through GitHub releases and MRIcroGL. The project also documents a NITRC wiki/manual lineage under the dcm2nii name, with dcm2nii listed as the deprecated predecessor for older images and dcm2niix positioned as the modern converter. ### Adoption history dcm2niix became central to neuroimaging data conversion because it handles DICOM vendor variation, writes NIfTI outputs, and can generate BIDS sidecar JSON. The official README explicitly calls it a core dependency of BIDS converters and lists many wrappers, research pipelines, GUI tools, and platforms that invoke it. ### How it is used Typical package-manager usage is a simple conversion command against a DICOM folder, optionally selecting output directory, filename format, gzip compression, anonymized BIDS sidecars, and vendor-specific conversion behavior. The CLI also has a defaults file mode and can use pigz for faster compression when available. ### Why package nerds care dcm2niix is significant because it is the boring executable underneath a large amount of modern neuroimaging workflow automation. Packagers care about it because one small binary unlocks reproducible import into NIfTI and BIDS-oriented pipelines across Linux, macOS, and Windows. ### Timeline - 2014: Official GitHub repository created. - 2016: README cites the DICOM-to-NIfTI conversion methods paper by Li, Morgan, Ashburner, Smith, and Rorden. - 2010s-2020s: README documents adoption by many BIDS converters and neuroimaging pipelines. - 2026: Official GitHub API metadata shows repository activity continuing into June 2026. ### Related projects - The README names dcm2nii as the deprecated predecessor and MRIcroGL as a distribution path. It also links dcm2niix to BIDS converters and many neuroimaging tools that shell out to the converter. ### Sources - - - - ## Security Notes No matching local secret-handling manifest was found for dcm2niix. Nucleus package metadata is still published here so future coverage has a stable package URL. ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** dcm2niix - **Version Scheme:** 1 - **Revision:** 0 - **Head Version:** HEAD - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Other Package-Manager Records - Debian apt - dcm2niix - 1.0.20241211-1: normalized package name match | Debian stable package indexes: dcm2niix from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | next generation DICOM to NIfTI converter | https://github.com/rordenlab/dcm2niix - Nix - dcm2niix: normalized package name match | nixpkgs package indexes: pkgs/by-name/dc/dcm2niix/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - Ubuntu apt - dcm2niix - 1.0.20220720-1build1: normalized package name match | Ubuntu 24.04 LTS package indexes: dcm2niix from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | next generation DICOM to NIfTI converter | https://github.com/rordenlab/dcm2niix - dnf - dcm2niix - 1.0.20260416-2.fc45: normalized package name match | Fedora Rawhide package metadata: dcm2niix from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | DICOM to NIfTI converter | https://www.nitrc.org/plugins/mwiki/index.php/dcm2nii:MainPage - dnf - python3-dcm2niix - 1.0.20260416-2.fc45: normalized package name match | Fedora Rawhide package metadata: python3-dcm2niix from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Thin wrapper around dcm2niix binary | https://www.nitrc.org/plugins/mwiki/index.php/dcm2nii:MainPage - MacPorts - dcm2niix: normalized package name match | MacPorts ports tree: science/dcm2niix/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ## Related links - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata. - [Scientific computing packages](https://www.automicvault.com/pkg/scientific-computing-tools/) - Matched scientific computing metadata. - [Homebrew utility packages](https://www.automicvault.com/pkg/brew-utility-packages/) - Matched Homebrew package provider. - [cmake](https://www.automicvault.com/pkg/brew/cmake/) - Build dependency declared by Homebrew. - [dcmtk](https://www.automicvault.com/pkg/brew/dcmtk/) - Shares av.db curated category or tags: cli, dicom, medical-imaging, science. - [gdcm](https://www.automicvault.com/pkg/brew/gdcm/) - Shares av.db curated category or tags: cli, dicom, medical-imaging, science. - [libdicom](https://www.automicvault.com/pkg/brew/libdicom/) - Shares av.db curated category or tags: cli, dicom, medical-imaging, science. - [itk](https://www.automicvault.com/pkg/brew/itk/) - Shares av.db curated category or tags: cli, medical-imaging, science. - [aamath](https://www.automicvault.com/pkg/brew/aamath/) - Shares av.db curated category or tags: cli, science. - [abpoa](https://www.automicvault.com/pkg/brew/abpoa/) - Shares av.db curated category or tags: cli, science. - [abricate](https://www.automicvault.com/pkg/brew/abricate/) - Shares av.db curated category or tags: cli, science. - [abyss](https://www.automicvault.com/pkg/brew/abyss/) - Shares av.db curated category or tags: cli, science. ## Combined YAML source View the package source record on GitHub. [combined/dcm2niix.yml](https://github.com/automic-vault/db/blob/main/combined/dcm2niix.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated package history - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph