
Description: PDFOptim is a free open source software that optimizes PDF files by reducing the file size. It works by analyzing the internal structure of the PDF, removing unnecessary metadata, compressing images and fonts, and performing other size reduction optimizations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ApowerCompress is a free file compression software that allows you to easily compress and decompress files and folders. It supports multiple compression formats including ZIP, RAR, 7Z, TAR, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API