Guides

PDF Compression

ComPDFKit_Tools provides PDF document compression to reduce file size for easier storage and transmission.

Usage

CPDFCompressDialog is the main dialog for compression, located in the com.compdfkit.tools.compress package.

java

CPDFCompressDialog dialog = CPDFCompressDialog.newInstance();
dialog.setDocument(cpdfDocument);
dialog.show(getSupportFragmentManager(), "compress");

kotlin

val dialog = CPDFCompressDialog.newInstance()
dialog.setDocument(cpdfDocument)
dialog.show(supportFragmentManager, "compress")

Compression Quality

The compression dialog offers multiple quality levels for the user to choose from:

Level	Description
Low Quality	Smallest file size, lower image quality
Medium Quality	Balance between file size and quality
High Quality	Larger file, maintains better image quality
Custom	User-defined compression parameters

Compression Options

The compression process can optimize the following:

• Image compression: Reduce the resolution and quality of embedded images
• Font optimization: Remove unused font subsets
• Data stream compression: Compress document data streams

Related Components

Component	Description
CPDFCompressDialog	Compression dialog
CPDFCompressAdapter	Compression options list adapter