imgmeta.js

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Getting Started ​

imgmeta-js is a fast, lightweight, Node.js library for reading image dimensions and formats, as well as parsing and editing JPEG EXIF metadata. It is built entirely in TypeScript and requires zero runtime dependencies.

Installation ​

bash
npm install imgmeta-js

Quick Example ​

Here's a quick example to read an image and extract its dimensions and EXIF metadata:

ts
import { read } from "imgmeta-js";

const info = await read("photo.jpg");

console.log(info.format); // "jpeg"
console.log(info.width, info.height);

if (info.exif) {
  console.log(info.exif.make);
  console.log(info.exif.model);
  console.log(info.exif.dateTaken);

  const ARTIST_TAG = 0x013B;
  console.log(info.exif.raw[ARTIST_TAG]);
}

Importing Methods ​

The library exposes the following core methods:

  • read: Read image formats, dimensions, and EXIF metadata.
  • insert: Insert EXIF metadata while preserving existing tags.
  • update: Update existing EXIF metadata tags.
  • remove: Completely strip EXIF metadata from an image.

Proceed to the API Reference for more details.