Sharp

Spec sheet

Purpose

Sharp is a high-speed Node-API module for converting large images into smaller, web-friendly images.Read 3 Oct 2026 · sharp.pixelplumbing.com

Product

Sharp is a high performance Node-API module for image processing, commonly used to convert large images into smaller web-friendly images.Read 4 Oct 2026 · sharp.pixelplumbing.com

Security

The security page says all input is assumed untrusted and rejected if decoding produces warnings, and the prebuilt binaries’ C, C++, and Rust dependencies are continuously fuzz-tested.Read 4 Oct 2026 · sharp.pixelplumbing.com

License

The project is licensed under Apache License 2.0.Read 4 Oct 2026 · sharp.pixelplumbing.com

Browser limitation

The optional WebAssembly package does not support use in web browsers or single-threaded environments.Read 3 Oct 2026 · sharp.pixelplumbing.com

Deep Zoom

Sharp can generate Deep Zoom image pyramids for use with slippy map tile viewers such as OpenSeadragon.Read 4 Oct 2026 · sharp.pixelplumbing.com

Formats

Sharp reads JPEG, PNG, WebP, GIF, AVIF, TIFF and SVG, and outputs JPEG, PNG, WebP, GIF, AVIF, TIFF or raw pixel data.Read 3 Oct 2026 · sharp.pixelplumbing.com

Image input and output

Streams, Buffer objects and the filesystem can be used for input and output, and one input stream can feed multiple processing pipelines.Read 3 Oct 2026 · sharp.pixelplumbing.com

Image operations

It supports image resizing, rotation, extraction, compositing, and gamma correction.Read 4 Oct 2026 · sharp.pixelplumbing.com

Image optimization

It can use mozjpeg and pngquant features to optimize JPEG and PNG file sizes without separate imagemin processes.Read 4 Oct 2026 · sharp.pixelplumbing.com

Input and output

Streams, Buffer objects, and the filesystem can be used for input and output, and a single input stream can feed multiple processing pipelines.Read 4 Oct 2026 · sharp.pixelplumbing.com

Input formats

Sharp supports reading JPEG, PNG, WebP, GIF, AVIF, TIFF, and SVG images.Read 4 Oct 2026 · sharp.pixelplumbing.com

Installation

The installation guide lists npm, pnpm, yarn, Bun, and Deno commands for installing Sharp.Read 4 Oct 2026 · sharp.pixelplumbing.com

Output formats

Sharp can output JPEG, PNG, WebP, GIF, AVIF, and TIFF images, as well as uncompressed raw pixel data.Read 4 Oct 2026 · sharp.pixelplumbing.com

Performance

The site says image resizing is typically 4x–5x faster than the quickest ImageMagick and GraphicsMagick settings, using libvips.Read 4 Oct 2026 · sharp.pixelplumbing.com

Platform binaries

Prebuilt binaries are listed for macOS, Linux, and Windows; FreeBSD is supported through WebAssembly.Read 4 Oct 2026 · sharp.pixelplumbing.com

Platform requirement

The installation guide requires a Node-API v9-compatible runtime, such as Node.js >= 20.9.0.Read 4 Oct 2026 · sharp.pixelplumbing.com

Processing model

Sharp processes small regions of uncompressed image data, uses multiple CPU cores, remains non-blocking, and supports Promises and async/await.Read 3 Oct 2026 · sharp.pixelplumbing.com

Runtime requirement

Installation requires a Node-API v9 compatible runtime, such as Node.js 20.9.0 or newer.Read 3 Oct 2026 · sharp.pixelplumbing.com

Runtime support

Sharp works with JavaScript runtimes that support Node-API v9, including Node.js >= 20.9.0, Deno, and Bun.Read 4 Oct 2026 · sharp.pixelplumbing.com

Security support

The latest version published to npm is supported with security updates, and genuine vulnerability reports can expect a response within 48 hours.Read 4 Oct 2026 · sharp.pixelplumbing.com

Security updates

The latest version published to npm is supported with security updates, and vulnerability reporters can expect a response within 48 hours for a genuine issue.Read 3 Oct 2026 · sharp.pixelplumbing.com

Supported systems

Prebuilt binaries are provided for macOS, Linux and Windows architectures, with stated architecture and system-library requirements.Read 3 Oct 2026 · sharp.pixelplumbing.com

Where Specifiction places it

• Image Converter Software#29 of 367.3