Open Source Android File Compression Apps

MicroZip is a powerful file compression and encryption utility for mobile phones which allows you to create and extract compressed archives in multiple formats and encrypt sensitive information with powerful AES-256 encryption. MicroZip can create and extract ZIP,TAR,TGZ,TBZ2 archives and extract many other formats as JAR,GZ,BZ2,TBZ,WAR,BZIP2,GZIP,Z,TAZ,CBZ etc. MicroZip allows you to extract selected files without extracting the whole ZIP archive. MicroZip also supports encrypted ZIP archives with both classic ZIP encryption and AES 256 encryption algorithm.

BWTC32Key is a program I wrote that compresses data, then optionally encrypts it, and then outputs a Base32768 representation as the final output

Compressor is a lightweight and powerful android image compression library. Compressor will allow you to compress large photos into smaller sized photos with very less or negligible loss in quality of the image. Compressor now is using Kotlin coroutines! Stay cool compress image asynchronously with RxJava! Licensed under the Apache License.

A micro library for the creation of mobile applications Android hybrid HTML5 / Java, for compressing files in Zip format directly from the WebView component. You can compress individual files and folders by adding the interface DroidZip in JavaScript and object ZipHTML5Hybrid directly to the WebView component of Android. For the use of interface in Java WebView you need to include in the HTML file the famous JavaScript library JSZip MIT license.