Convert JPG to PNG in JavaScript

High-speed Node.js library for converting JPG to PNG

Programmatically convert JPG to PNG using Node.js. Explore the power of Node.js for efficient and scalable JPG to PNG conversion.

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Convert JPG to PNG in JavaScript

Need to convert a JPG image to PNG format programmatically? With Aspose.Words for Node.js via .NET any developer can easily transform JPG to PNG with just a few lines of JavaScript code.

Modern image-processing JavaScript API creates PNG from JPG pictures with high speed. Test the quality of JPG to PNG image conversion right in a browser. Powerful JavaScript library allows converting JPG pictures to many popular image formats.

Save JPG as PNG in JavaScript

The following example demonstrates how to convert JPG to PNG in JavaScript.

Follow the easy steps to turn a JPG to PNG graphical format. Read JPG image from the local drive, then simply save it as PNG, specifying the required image format by PNG extension. For both JPG reading and PNG writing you can use fully qualified filenames. The output PNG graphical content will be identical to the original JPG image.

Code example in JavaScript to convert JPG to PNG format
Upload a file you want to convert
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Select the target format from the list
npm install @aspose/words
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const aw = require('@aspose/words');

var doc = new aw.Document()
var builder = new aw.DocumentBuilder(doc)

shape = builder.insertImage("Input.jpg")
shape.getShapeRenderer().save("Output.png", new aw.Saving.ImageSaveOptions(aw.SaveFormat.Png))
const aw = require('@aspose/words'); var doc = new aw.Document("Input.jpg") doc.save("Output.png") const aw = require('@aspose/words'); var doc = new aw.Document("Input.jpg") for (var page = 0; page < doc.pageCount; page++) { var extractedPage = doc.extractPages(page, 1); extractedPage.save(`Output_${page + 1}.png`); } const aw = require('@aspose/words'); var doc = new aw.Document() var builder = new aw.DocumentBuilder(doc) builder.insertImage("Input.jpg") doc.save("Output.png") const aw = require('@aspose/words'); var doc = new aw.Document() var builder = new aw.DocumentBuilder(doc) shape = builder.insertImage("Input.jpg") shape.getShapeRenderer().save("Output.png", new aw.Saving.ImageSaveOptions(aw.SaveFormat.png))
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How to convert JPG to PNG in JavaScript

  1. Install Aspose.Words for Node.js via .NET.
  2. Add a library reference (import the library) to your JavaScript project.
  3. Open the source JPG file in JavaScript.
  4. Call the save() method, passing an output filename with PNG extension.
  5. Get the result of JPG conversion as PNG.

JavaScript library to convert JPG to PNG

We host our Node.js via .Net packages in NPM repositories. Please follow the step-by-step instructions on how to install "Aspose.Words for Node.js via .NET" to your developer environment.

System Requirements

This package is compatible with Node.js 14.17.0 or higher.

Other Supported JPG Conversions

You can convert JPG to many other file formats:

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