Download images from remote URLs or use local images and encode/decode them to Base64 string or Buffer object
node-base64-image
Easily encode images (from URLs or local files) to Base64 strings or Buffer objects, and decode them back into image files.
Installation
npm install node-base64-image --save
Usage
// CommonJS:
const { encode, decode } = require('node-base64-image');
// ES Modules / TypeScript:
import { encode, decode } from 'node-base64-image';
EncodeOptions
| Attribute | Type | Description | Default Value |
|---|---|---|---|
| string | boolean | If true, returns a base64 string | false |
| local | boolean | Set to true to read from a local file | - |
| timeout | number | Request timeout in milliseconds | 5000 |
| headers | object | Optional headers for remote HTTP requests | - |
DecodeOptions (Required)
| Attribute | Type | Description | Default Value |
|---|---|---|---|
| fname | string | Output filename (without extension) | - |
| ext | string | File extension (e.g., jpg, png) | - |
Examples
// encoding a remote jpg to base64
const url = 'https://example.com/test.jpg';
const options = {
string: true,
headers: {
"User-Agent": "my-app"
}
};
const image = await encode(url, options);
// encoding a local file
const localUrl = 'C:/project/test.jpg';
const localImage = await encode(url, {string: true, local: true});
// writing to file named 'example.jpg'
await decode(image, { fname: 'example', ext: 'jpg' });
// writing to a sub-directory
// after creating a directory called 'photos'
const image = await encode(url, options);
await decode(image, { fname: './photos/example', ext: 'jpg' });
Contributing
Read the CONTRIBUTING guide for information.
License
Licensed under MIT. See LICENSE for more information.
Issues
Report a bug in issues
Made with love in Dhaka, Bangladesh by Riyadh Al Nur