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sharp

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sharp

High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, GIF, AVIF and TIFF images


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What is sharp?

The sharp npm package is a high-performance Node.js module for resizing, converting, and manipulating images. It is built around the libvips image processing library, which allows it to handle large images and perform operations quickly and with a low memory footprint.

What are sharp's main functionalities?

Image Resizing

Resizes an image to the specified width and height.

sharp('input.jpg').resize(300, 200).toFile('output.jpg', (err, info) => {});

Format Conversion

Converts an image from one format to another, such as JPEG to PNG.

sharp('input.jpg').toFormat('png').toBuffer().then(data => {});

Image Rotation

Rotates an image by a specified degree.

sharp('input.jpg').rotate(90).toBuffer().then(data => {});

Extracting Image Regions

Extracts a region of the image starting at the left and top offsets and with the specified width and height.

sharp('input.jpg').extract({ left: 100, top: 100, width: 300, height: 200 }).toFile('output.jpg', (err, info) => {});

Image Overlay

Overlays an image on top of another using composition.

sharp('input.jpg').composite([{ input: 'overlay.png', gravity: 'southeast' }]).toFile('output.jpg', (err, info) => {});

Adjusting Image Quality

Adjusts the quality of an image, useful for optimizing the file size.

sharp('input.jpg').jpeg({ quality: 80 }).toBuffer().then(data => {});

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Package last updated on 16 Aug 2024

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