Gifski

Gifski is an open‑source GIF converter that turns video or image sequences into smooth, high‑quality animations. It uses advanced palette generation, dithering and LZW compression to deliver thousands of colors per frame while keeping file sizes low. Available as a GUI for Windows and macOS, a CLI for Linux/macOS/Windows, and as a library for C#, Swift, Rust, C++. Features include resizing, compression, motion smoothing and denoising, perfect for creators who want premium GIFs without dithering.