image-type
Detect image file types from Buffer/Uint8Array data with support for 20+ formats including PNG, JPEG, WebP, and HEIC.
What is image-type?
image-type is a JavaScript library that detects image file formats by analyzing binary data from Buffer, ArrayBuffer, or Uint8Array inputs. It identifies 20+ image types including PNG, JPEG, WebP, and HEIC by examining the first bytes of data, solving the problem of determining image formats without relying on file extensions or metadata.
JavaScript developers working with image processing in Node.js or browser environments, particularly those building applications that handle image uploads, processing pipelines, or media management systems.
Developers choose image-type for its lightweight, efficient detection that works with partial binary data, its support for modern formats like HEIC and WebP, and its seamless integration with both Node.js and browser JavaScript environments without external dependencies.
Overview
Detect the image type of a Buffer/Uint8Array
Use Cases
Best For
- Validating image uploads in web applications
- Processing images in Node.js servers without file extensions
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