# kohler/gifsicle

Create, manipulate, and optimize GIF images and animations

Repository: https://github.com/kohler/gifsicle
Canonical: https://ross.abutalabs.com/products/gifsicle
Homepage: http://www.lcdf.org/gifsicle/
Language: C
License: GPL-2.0
License Family: copyleft
Last push: 2026-01-31T00:02:42+00:00

## Health v2 (maintenance only)
Score: 62/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 65, release rhythm 35, longevity 100
- inputs: {"age_days": 4856, "days_push": 215, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 4307, forks 255 (observed 2026-08-28T04:08:41.730465+00:00)

## What it is
Gifsicle is a command-line tool for creating, editing, and optimizing GIF images and animations, with companion programs gifview (a viewer) and gifdiff (a comparison tool). It can merge, split, edit, and dramatically shrink GIF animations by storing only changed frame portions.

## Use cases
- optimize gif animations to reduce file size
- merge multiple gifs into one animation from the command line
- extract frames from a gif animation
- batch edit gif files in place
- compare two gifs for identical visual appearance
- add transparency, delays, and looping to gif animations

## When to choose
- you need powerful lossless GIF optimization from the command line
- you want to script GIF creation, editing, or frame extraction
- you work with animated GIFs in build pipelines or shell scripts

## When to avoid
- you need a GUI image editor
- you work with modern formats like WebP, APNG, or video
- you need per-pixel painting or drawing tools

## Facets
- artifact type: cli-tool
- maturity: stable
- function: image-processing, cli
- domain: image-processing, graphics, media
- platform: windows, cli, cross-platform
- tags: gif, gif-animation, image-optimization, gif-viewer, lossless-compression, command-line, linux, macos

## Member repositories
- kohler/gifsicle (main) score 62

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:08:41.730465+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T18:21:48.773766+00:00, confidence not recorded.
  - readme: https://github.com/kohler/gifsicle (fetched 2026-08-28T04:08:41.730465+00:00, sha 19eba05c8b4d)
  - homepage: http://www.lcdf.org/gifsicle/ (fetched 2026-08-29T09:10:54.507299+00:00, sha 2d3428f3f2a2)
- Data as of 2026-08-30T08:39:29.467469+00:00.