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brew / rank 9351

Install apng2gif with Homebrew, apt, Nix

Convert APNG animations into animated GIF format. Version 1.8 via Homebrew; verified from local package data. Also installable with debian: sudo apt install apng2gif.

install

Additional install commands

macOS

Homebrewverified · 100%
brew install apng2gif

local Homebrew formula metadata

Linux

Debian aptverified · 92%
sudo apt install apng2gif

Debian stable package indexes · apng2gif · source: deb.debian.org

Nixverified · 92%
nix profile install nixpkgs#apng2gif

nixpkgs package indexes · pkgs/by-name/ap/apng2gif/package.nix · source: api.github.com

overview

Package summary

Convert APNG animations into animated GIF format

Commands and aliases

  • apng2gif

history

Project history and usage

apng2gif is a small SourceForge-hosted converter that turns Animated PNG files into animated GIFs. The official page says it respects APNG frame delays and loop counts while providing transparency-threshold and background-blending options.

Project history

The project page presents apng2gif as a focused APNG-to-GIF converter with both a command-line version and a Windows GUI. It is distributed through SourceForge along with source and prebuilt binaries for major desktop operating systems.

The SourceForge 1.8 file page records an improved APNG decoder based on apngdis 2.9, loop-count adjustment, duplicate-frame optimization, and 64-bit Windows binaries. That is about as much public project history as the official sources expose.

Adoption history

apng2gif adoption is naturally narrow: it serves people who keep high-quality APNG masters but still need GIF output for older or more constrained web/image pipelines. The official page explicitly frames webmasters as a practical audience.

How it is used

The documented command line is apng2gif anim.png [anim.gif] [-t tlevel] [-b bcolor]. The -t option controls transparency threshold, the -b option blends against a background color, and -b overrides -t.

The project page describes converting 24/32-bit APNG to a single global 256-color GIF palette using a Wu quantization grid, which is the practical tradeoff behind the tool: keep APNG masters, generate GIF fallbacks when needed.

Why package nerds care

apng2gif is the kind of tiny media converter package that survives because it does one format edge case well. Its value is not breadth; it is a low-friction CLI for APNG fallback assets and batch conversion.

It also sits in a small APNG tools family where each utility handles one direction or maintenance step in an animated-image workflow.

Timeline

  • 2017-05-19: The SourceForge 1.8 file page records source and binary artifacts and README text.
  • 2017-05-22: The SourceForge 1.8 file page records the 32-bit Windows GUI binary.
  • 1.8: Release notes record an improved decoder based on apngdis 2.9 and duplicate-frame optimization.

Related projects

  • The official page links gif2apng, apngasm, apngdis, and apngopt as related APNG tools.

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

  • narrow executable package without higher-risk signals

Signals

  • metadata:no-higher-risk-signals

Install behavior

  • No Homebrew bottle metadata was recorded.

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
apng2gifexecutableindexed executableDiscovered from the local executable index.

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 generated2026-08-03
manager version1.8
manager updated
local dataunknown
upstreamnot available
latest detectednot detected
  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:apng2gif
Version1.8
Package managerHomebrew
Homepagehttps://apng2gif.sourceforge.net/
Bottlenot recorded
Servicenone declared

source database matches

Other package-manager records

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

Debian apt95%

apng2gif 1.8-5+b1

tool for converting APNG images to animated GIF format

https://apng2gif.sourceforge.net

sudo apt install apng2gif
  • Section: graphics
  • Architecture: amd64
  • Source Package: apng2gif
  • 4 dependencies
  • normalized package name match
  • Matched by: Apng2gif
Debian stable package indexes · deb.debian.org · Debian stable package indexes: apng2gif from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Nix95%

apng2gif

nix profile install nixpkgs#apng2gif
  • normalized package name match
  • Matched by: Apng2gif
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/ap/apng2gif/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
Ubuntu apt95%

apng2gif 1.8-5build2

tool for converting APNG images to animated GIF format

https://apng2gif.sourceforge.net

sudo apt install apng2gif
  • Section: universe/graphics
  • Architecture: amd64
  • 4 dependencies
  • normalized package name match
  • Matched by: Apng2gif
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: apng2gif from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz

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

  • Geiger risk classifier
  • cross-ecosystem install command graph
  • curated package history
  • external package-manager database matches
  • pkg.so package database
  • pkgdb category and tag curation