pixel-scale

Get the pixel scale of an image, or scale it up or down without quality loss. Useful for pixel art!

@peacechen/react-image-file-resizer

React module that rescales local images. You can change image's width, height, format, rotation and quality. It returns resized image's new base64 URI, Blob, or File. The URI can be used as the source of an <Image> component.

imageoptimizerjs

A lightweight JavaScript tool for optimizing images by resizing and reducing image quality.