browser-thumbnail-generator

browser-thumbnail-generator is a simple and efficient library for generating thumbnails from images and videos quickly. It is designed to be easily integrated into your projects, providing fast and reliable thumbnail generation.

Demo

Live Preview

Features

• Generate thumbnails from images
• Generate thumbnails from videos
• Easy to use and integrate

Installation

You can install browser-thumbnail-generator via:

• npm

npm install browser-thumbnail-generator

• yarn

yarn add browser-thumbnail-generator

Usages

generateMediaThumbnail()

import generateMediaThumbnail from 'browser-thumbnail-generator';

let params = {
  file: imageFile, // image/video file
  width: 200,
  height: 200,
  maintainAspectRatio: true
}

generateMediaThumbnail({
  file: imageFile,
  width: 200,
  height: 200,
  maintainAspectRatio: true
}).then(response => {
  const thumbnailUrl=URL.createObjectURL(response.thumbnail)
  
  console.log('Image thumbnail generated successfully!', thumbnailUrl);
});

Input Parameters:

{
  file: File;
  height?: number;
  width?: number;
  maintainAspectRatio?: boolean;
  timestamp?: number; // for video files
}

• file (File): The image file from which to generate the thumbnail. This is required.

• height (number, optional): The desired height of the thumbnail. If not provided, the original height of the image is used.

• width (number, optional): The desired width of the thumbnail. If not provided, the original width of the image is used.

• maintainAspectRatio (boolean, optional): If true, maintains the aspect ratio of the original image when resizing. Default is true.

• timestamp (number, optional, for video only): The time point (in seconds) in the video from which to capture the thumbnail. If not provided, the default is 0 (the start of the video).

Response Type:

Promise<{
  thumbnail: Blob;
  width: number;
  height: number;
  size: number;
  original_size: number;
  original_width: number,
  original_height: number,
  total_duration: number; // for video files
}>

• thumbnail (Blob): The generated thumbnail image as a Blob object.
• width (number): The width of the generated thumbnail.
• height (number): The height of the generated thumbnail.
• size (number): The size (in bytes) of the generated thumbnail.
• original_size (number): The size (in bytes) of the original image file.

---

supported mime types:

supported mime types for thumbnail generation can be imported using

import { supportedMimeTypes } from "browser-thumbnail-generator";

Contributing

Contributions are welcome! Please open an issue or submit a pull request on GitHub.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Author

Abhishek Kumar (Blog Site)