How to optimize DOCX?

Open the site: DOCX . Drag and drop DOCX files to optimize and compress them online. Or just use a code sample in JavaScript. Install Aspose.Words for Node.js via .NET. Add a library reference (import the library) to your JavaScript project. Open the source DOCX file in JavaScript. Compress DOCX without losing quality. Call the Document.cleanup() method. The resulting code may vary depending on the output file format. Get the compressed result as a DOCX file.

Why compress DOCX files in JavaScript?

Compressing DOCX allows you to improve the use of disk spaces and network traffic without sacrificing data quality.

What output file formats can I use to compress DOCX files?

We support a variety of output file formats for DOCX optimization, including DOCX, DOC, RTF, ODT, EPUB, JPG, PNG, XLS, XLSX, WPS and many more.

What is the maximum DOCX size supported by Aspose.Words for Node.js via .NET?

There are no size limits to compress DOCX files using Aspose.Words for Node.js via .NET.

Compress EPUB In Javascript

The code to compress EPUB in JavaScript

High-performance Node.js library to optimize the size and content of EPUB files while maintaining their original quality

Develop EPUB processing software in Node.js using EPUB Optimization API. This powerful Node.js solution helps you optimize and reduce the size of EPUB files effortlessly. Test EPUB compressing capabilities online for free!

Compress DOCX in JavaScript

We currently do not accept DOCX files as input. But we can produce DOCX files as an ouput. We look forward to full DOCX support in the near future.

JavaScript library is a stand-alone solution and doesn't require any third party software installed.

Reduce the size of DOCX files using JavaScript

Make DOCX files smaller without loss of quality. The JavaScript library provides developers with an integrated API to optimize DOCX content. DOCX optimization occurs by compressing images inside DOCX files, as well as by removing unused data.

Ebook lossless compression and content optimization made easy with 'Aspose.Words for Node.js via .NET'. The following example demonstrates how to optimize the content of a DOCX file in JavaScript:

Code example in JavaScript to compress EPUB files

Input file

Upload a file you want to optimize/compress

Run code

Output format

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("Input.docx");
doc.cleanup();

var shapes = doc.getChildNodes(aw.NodeType.Shape, true)
for (var shape of shapes) {
    if (shape.hasImage()) {
        // It's up to developer to choose the library for image compression.
        const imageData = shape.getImageData().toStream();

        // ...
        // Compress image and set it back to the shape.
        shape.getImageData().setImage(compressedImageBuffer);
    }
}

doc.save("Output.epub")

                            const aw = require('@aspose/words');

var doc = new aw.Document("Input.docx");
doc.cleanup();

var shapes = doc.getChildNodes(aw.NodeType.Shape, true)
for (var shape of shapes) {
    if (shape.hasImage()) {
        // It's up to developer to choose the library for image compression.
        const imageData = shape.getImageData().toStream();

        // ...
        // Compress image and set it back to the shape.
        shape.getImageData().setImage(compressedImageBuffer);
    }
}

var saveOptions = new aw.Saving.PdfSaveOptions()
saveOptions.cacheBackgroundGraphics = true

doc.save("Output.epub", saveOptions)

                            const aw = require('@aspose/words');

var doc = new aw.Document("Input.docx");
doc.cleanup();

var shapes = doc.getChildNodes(aw.NodeType.Shape, true)
for (var shape of shapes) {
    if (shape.hasImage()) {
        // It's up to developer to choose the library for image compression.
        const imageData = shape.getImageData().toStream();

        // ...
        // Compress image and set it back to the shape.
        shape.getImageData().setImage(compressedImageBuffer);
    }
}

doc.save("Output.epub")

                            const aw = require('@aspose/words');

var doc = new aw.Document("Input.docx");
doc.cleanup();

var shapes = doc.getChildNodes(aw.NodeType.Shape, true)
for (var shape of shapes) {
    if (shape.hasImage()) {
        // It's up to developer to choose the library for image compression.
        const imageData = shape.getImageData().toStream();

        // ...
        // Compress image and set it back to the shape.
        shape.getImageData().setImage(compressedImageBuffer);
    }
}

var saveOptions = new aw.Saving.OoxmlSaveOptions()
saveOptions.compressionLevel = aw.Saving.CompressionLevel.Maximum

doc.save("Output.epub", saveOptions)

                            const aw = require('@aspose/words');

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

shape = builder.insertImage("Input.docx")

var saveOptions = new aw.Saving.ImageSaveOptions(aw.SaveFormat.Docx)

shape.getShapeRenderer().save("Output.epub", saveOptions)

            

					Run code
				

You may freely copy this code and use it in any applicable purpose

How to compress DOCX in JavaScript

Install Aspose.Words for Node.js via .NET.
Add a library reference (import the library) to your JavaScript project.
Open the source DOCX file in JavaScript.
Compress DOCX without losing quality.
Call the Document.cleanup() method. The resulting code may vary depending on the output file format.
Get the compressed result as a DOCX file.

JavaScript library to optimize and compress EPUB files

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.