
Description: Flexible Renamer is a free program for Windows that allows users to easily batch rename multiple files and folders. It has an intuitive interface with various renaming options like find and replace text, auto-numbering, prefixes/suffixes, changing case, removing strings, etc.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: File Extension Changer is a small, free utility that allows you to easily rename multiple files and change their extensions in bulk. Useful for converting file types between formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API