# Install sng Enable lossless editing of PNGs via a textual representation. Version 1.1.1 via Homebrew; verified from local package data. ## Install ```sh sudo av install brew:sng ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install sng ``` Evidence: local Homebrew formula metadata ### Linux - Debian apt (92%): ```sh sudo apt install sng ``` Evidence: Debian stable package indexes: sng from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz - dnf (92%): ```sh sudo dnf install sng ``` Evidence: Fedora Rawhide package metadata: sng from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst - Nix (92%): ```sh nix profile install nixpkgs#sng ``` Evidence: nixpkgs package indexes: pkgs/by-name/sn/sng/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 ## Package Facts - **Package key:** brew:sng - **Package manager:** Homebrew - **Package manager URL:** - **Version:** 1.1.1 - **Source summary:** Enable lossless editing of PNGs via a textual representation - **Homepage:** - **Upstream docs:** - **License:** Zlib - **Source archive:** - **Generated:** 2026-06-10T07:18:26+00:00 ## Executables - sng (cli) - sng (alias) ## Dependencies - libpng - xorgrgb ## Install Behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, monterey, sonoma, ventura, x86_64_linux ## Freshness - Page generated: 2026-06-10 - Package-manager version: 1.1.1 - Local data status: ok - Upstream repository: https://sng.sourceforge.net/ - info: No package-manager update timestamp was available. - info: Release/tag comparison is only available for GitHub repositories. ## Sicherheitshinweise narrow executable package without higher-risk signals. - **Geiger risk:** green / low - narrow executable package without higher-risk signals ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** sng - **Version Scheme:** 0 - **Revision:** 0 - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** stable ## Other Package-Manager Records - Debian apt - sng - 1.1.1-1: normalized package name match | Debian stable package indexes: sng from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | specialized markup language for representing PNG contents | http://sng.sourceforge.net/ - Nix - sng: normalized package name match | nixpkgs package indexes: pkgs/by-name/sn/sng/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - Ubuntu apt - sng - 1.1.0-4build2: normalized package name match | Ubuntu 24.04 LTS package indexes: sng from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | specialized markup language for representing PNG contents | http://sng.sourceforge.net/ - dnf - sng - 1.1.1-8.fc44: normalized package name match | Fedora Rawhide package metadata: sng from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst | Lossless editing of PNGs via a textual representation | https://sng.sourceforge.net/ ## Related Links - [Terminal utility packages](https://www.automicvault.com/de/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Text processing packages](https://www.automicvault.com/de/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata. - [Networking and protocol packages](https://www.automicvault.com/de/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata. - [Media and graphics packages](https://www.automicvault.com/de/pkg/media-graphics-tools/) - Matched media, image, audio, video, or graphics metadata. - [libpng](https://www.automicvault.com/de/pkg/brew/libpng/) - Runtime dependency declared by Homebrew. - [xorgrgb](https://www.automicvault.com/de/pkg/brew/xorgrgb/) - Runtime dependency declared by Homebrew. - [gd](https://www.automicvault.com/de/pkg/brew/gd/) - Shares av.db curated category or tags: cli, image-processing, media, png. - [imagemagick](https://www.automicvault.com/de/pkg/brew/imagemagick/) - Shares av.db curated category or tags: cli, image-processing, media. - [leptonica](https://www.automicvault.com/de/pkg/brew/leptonica/) - Shares av.db curated category or tags: cli, image-processing, media. - [jasper](https://www.automicvault.com/de/pkg/brew/jasper/) - Shares av.db curated category or tags: cli, image-processing, media. - [netpbm](https://www.automicvault.com/de/pkg/brew/netpbm/) - Shares av.db curated category or tags: cli, image-processing, media. - [vips](https://www.automicvault.com/de/pkg/brew/vips/) - Shares av.db curated category or tags: cli, image-processing, media. - [graphicsmagick](https://www.automicvault.com/de/pkg/brew/graphicsmagick/) - Shares av.db curated category or tags: cli, image-processing, media. - [epsilon](https://www.automicvault.com/de/pkg/brew/epsilon/) - Shares av.db curated category or tags: cli, image-processing, media. - [jp2a](https://www.automicvault.com/de/pkg/brew/jp2a/) - Both packages work with overlapping file formats or content types. Shared terms: cli, conversion, image, image-processing, libpng. - [tiff2png](https://www.automicvault.com/de/pkg/brew/tiff2png/) - Both packages work with overlapping file formats or content types. Shared terms: cli, conversion, image, image-processing, libpng. ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph