gifgen

The tool provides a command‑line interface for creating GIFs from video sources with higher visual quality than the default ffmpeg workflow. It performs a two‑pass encoding: the first pass builds a custom colour palette from all frames, and the second pass uses that palette to generate the final animation, reducing the colour banding that often occurs with ffmpeg’s generic palette.

Typical options let users specify output filename, frame rate, scaling resolution, start time, and duration, as well as toggle optimisations for static backgrounds and verbose ffmpeg output. The script relies on an installed ffmpeg binary and can be invoked directly or linked into the system PATH.

The project is distributed under the MIT license, is considered stable, and can be installed on macOS via Homebrew or on Linux by cloning the repository. Windows support is not provided.