reactjs-file-preview – A Smart File Preview Component for React

Effortlessly preview images, videos, and PDFs in your React applications with reactjs-file-preview. This lightweight and customizable component intelligently detects file types and displays:

• ✅ Images – Render high-quality previews for JPG, PNG, GIF, and more.
• ✅ Videos – Play MP4, WebM, and other video formats directly in the preview.
• ✅ PDFs – Generate a thumbnail preview of the first page for quick viewing.
• ✅ Auto-Detection – Handles file URLs, local files, and external sources.
• ✅ Seamless Integration – Works with any React project with minimal setup.

Perfect for file upload interfaces, document management systems, and media galleries! 🚀

Live Demo: https://akshay2002singh.github.io/reactjs-file-preview/

📦 Installation

To install the latest stable version:

npm install reactjs-file-preview
# OR
yarn add reactjs-file-preview

🚀 Usage

Basic Example (Remote URL)

import React from "react";
import FilePreview from "reactjs-file-preview";

const App = () => {
  return (
    <div>
      <h2>File Preview Example</h2>
      <FilePreview preview="https://example.com/sample.pdf" />
    </div>
  );
};

export default App;

Example with Placeholder and Error Image

<FilePreview
  preview="https://example.com/sample.jpg"
  placeHolderImage="https://example.com/placeholder.png"
  errorImage="https://example.com/error.png"
/>

Local File Example

import sampleImg from "../assets/exampleImage.png";

<div style={{ width: "300px" }}>
  <FilePreview preview={sampleImg} />
</div>;

File Input Example

<input
    type="file"
    onChange={(e) => e.target.files && setFile(e.target.files[0])}
    style={{ marginBottom: "1rem" }}
  />

<div style={{ width: "600px", height: "400px", borderRadius: '12px', overflow:'hidden' }}>
  <FilePreview
    preview={file ?? ""}
    placeHolderImage="https://placehold.co/600x400/fff/000?text=Placeholder"
    errorImage="https://placehold.co/600x400/fff/FF0000?text=Error"
  />
</div>

Example with Custom Axios Instance

If your files require authentication or are behind CORS restrictions, you can pass a custom Axios instance:

import axios from "axios";

const customAxios = axios.create({
  headers: {
    Authorization: "Bearer YOUR_ACCESS_TOKEN",
  },
});

<FilePreview
  preview="https://example.com/protected-file.pdf"
  axiosInstance={customAxios}
/>;

📂 Supported Formats

reactjs-file-preview currently supports the following file extensions:

• Images: jpg, jpeg, png, gif, webp
• Videos: mp4, webm, ogg
• Documents: `pdf

Props

Available Props

| Prop Name | Type | Required | Description | | ------------------ | ------ | -------- | ------------------------------------------------------------------------------------------------------------------- | | preview | string | File | null | ✅ | The source of the file to preview. Supports: • Remote URL (string)• Local file import via bundler (import sample from "./file.png") • File object from an <input type="file" />• null (shows the placeholder if provided) | | clarity | string | ❌ | Defines clarity of the file being previewed. Defaults to 1000. Higher the value, more the loading time of the file. | | placeHolderImage | string | ❌ | URL of an image to display if no file is provided. | | errorImage | string | ❌ | URL of an image to display if the file fails to load. | | fileType | string | ❌ | Type of the file (image, video, pdf). If not provided, the type will be auto-detected. | | axiosInstance | object | ❌ | Custom Axios instance for fetching files, useful for handling authentication or CORS issues. |

ℹ️ Note:
If preview is not provided (or is null) and a placeHolderImage is supplied, the placeholder image will be shown automatically.

This component will automatically detect the file type and display the appropriate preview. 🎉

🎯 Why Use reactjs-file-preview?

• 📂 Multi-format support – Works with images, videos, and PDFs.
• 🔍 Auto-detection – No need to specify file types manually.
• 🛠️ Customizable – Supports placeholders, error images, and authentication.
• 🏆 Lightweight – Minimal dependencies for fast performance.
• 🚀 Easy to integrate – Works with any React project effortlessly.

Start using reactjs-file-preview today and enhance your file preview experience! 🎉