Command
Convert a file by targeting the output format:
npx optimo image.png --format gif
Tip: add --dry-run to preview changes.
Why convert?
- GIF is still used for very simple animations and legacy constraints.
- Useful when you need the GIF container for a specific workflow.
Format notes
PNG
Lossless image format with sharp edges and great support for transparency.
Optimize PNG Compress PNG Resize PNG PNG guide
GIF
Legacy animated image format that is still widely used for simple loops.