image-compressor-cli

A batch image compressor cli based on sharp, it will compress images and replace them by default.

install

npm install -g image-compressor-cli

Usage

Execute with command image-compressor-cli in image directory

To define static images quality

image-compressor-cli --quality 80

To define gif images quality (2 - 256)

image-compressor-cli --colors 128

To define a specific output directory rather than replacing images

image-compressor-cli --output-dir ./output

or all set by default

image-compressor-cli

Options:

-V, --version                 output the version number
-q, --quality <number>        Set static image quality (default: 80)
-c, --colors <number>         Set gif image maximum number of palette entries, including transparency, between 2 and 256 (default: 128)
-o, --output-dir <directory>  Specify a custom output directory
-h, --help                    display help for command

supported extensions

supported extensions	notes
jpg	lossy compression
jpeg	lossy compression
png	lossless compression
tiff	lossless compression
webp	lossy compression
gif	lossy compression

p.s.

1. Please TEST before large scale compression
2. WebP is generally smaller and higher quality than JPEG and PNG formats, so pay attention to the selection of compression parameters when compressing to prevent image distortion caused by over-compression.