rizer

rizer is a lightweight CLI tool to resize images by width, height, or ratio, powered by sharp.

Update Notes

Division generation. Creates breakpoints based on width, height or ratio and no. of images to generate.

rizer picture.jpg -wc 4
# picture.jpg is 1920
# Generates 384, 768, 1152, 1536 width

Content

📦 Installation

1. As a Dev Dependency (local use in projects)

yarn add -D rizer
# or
npm install --save-dev rizer

You can then run it from your project scripts or with npx:

npx rizer input.jpg -w 320,640

2. As a Global CLI (use from anywhere)

yarn global add rizer
# or
npm install -g rizer

Now you can use it in any folder:

rizer input.jpg -r 0.25,0.5

🛠️ Usage

rizer <image-path> [options]

Examples

Resize by ratio (default if no options passed):

# Generates 0.25x, 0.5x, 0.75x versions
rizer photo.jpg

With custom options:

# Generates 0.25x, 0.5x versions
rizer photo.jpg -r 0.25,0.5

Resize by width:

rizer photo.jpg -w 320,640

Resize by height:

rizer photo.jpg -h 240,480

Allow Upscaling:

rizer photo.jpg -w 1600 -u

Use rizer --help help