What image formats does sharp support?

sharp supports reading JPEG, PNG, WebP, GIF, AVIF, TIFF, and SVG images. Output images can be in JPEG, PNG, WebP, GIF, AVIF, and TIFF formats, as well as uncompressed raw pixel data.

How does sharp compare to ImageMagick and GraphicsMagick in terms of performance?

sharp is typically 4x-5x faster than ImageMagick and GraphicsMagick due to its use of libvips.

Can I use sharp with streams and buffers?

Yes, streams, Buffer objects, and the filesystem can be used for input and output. A single input Stream can be split into multiple processing pipelines and output Streams.

How can I optimize JPEG and PNG images with sharp?

The features of mozjpeg and pngquant can be used to optimize the file size of JPEG and PNG images respectively, without having to invoke separate imagemin processes. Huffman tables are optimized when generating JPEG output images without having to use separate command line tools like jpegoptim and jpegtran.

What is libvips and how does sharp use it?

libvips is a high-performance image processing library. sharp is powered by libvips, which allows it to process images quickly and efficiently by only holding small regions of uncompressed image data in memory at a time, taking full advantage of multiple CPU cores and L1/L2/L3 cache.

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sharp

4.8

Free

Sharp is highly regarded for its speed, efficiency, and comprehensive feature set in image processing.

High-performance Node.js image processing for converting large images to web-friendly formats.

General AIFree pricingAPI availableUpdated 2026-04-01

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Image ResizingImage Format Conversion

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Editorial Note

High-performance Node.js image processing for converting large images to web-friendly formats.

About sharp

sharp is a high-speed Node-API module leveraging the libvips image processing library. It excels at converting large images to smaller, web-friendly formats like JPEG, PNG, WebP, GIF, and AVIF. Designed for Node.js >= 18.17.0, Deno, and Bun, sharp is significantly faster than ImageMagick and GraphicsMagick, achieving 4x-5x speed improvements due to libvips' efficient processing. It correctly handles color spaces, embedded ICC profiles, and alpha transparency. Operations include resizing, rotation, extraction, compositing, and gamma correction. Input can be streams, Buffer objects, or filesystem paths, with support for splitting a single input stream into multiple processing pipelines. Deep Zoom image pyramids can also be generated. It optimizes JPEG and PNG file sizes using mozjpeg and pngquant respectively, and animated GIFs using custom methods, eliminating the need for separate command-line tools.

Quick Summary

High-performance Node.js image processing for converting large images to web-friendly formats.

5-15 minutesSetup: medium

General AI

Product Release Intel

Data Freshness

Checked Apr 1, 2026

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Quick visual proof for sharp. Helps non-technical users understand the interface faster.

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Sources tracked: 3

Core Capabilities

sharp is a high-speed Node-API module leveraging the libvips image processing library.

sharp

About sharp

Core Capabilities

Main Tasks

Convert image formats

Optimize images

Apply Image Filters

Image Resizing

What this tool is best suited for

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Key Features

Fast Image Resizing

Format Conversion

Image Optimization

Stream Processing

Deep Zoom Image Pyramids

Color Space Handling

Use Cases

Resizing product images for an e-commerce website

Converting images to different formats for cross-platform compatibility

Creating thumbnails for a video streaming platform

Applying watermarks to images for copyright protection

Generating image pyramids for interactive map viewers

Automated image processing pipeline for user-uploaded content

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