They are free tools to convert videos and audio files using PowerShell on a Windows 11/10 PC. Learn how to convert videos without using software.

Speech Central: Text to Speech and MP3 is a feature-rich, text-to-speech Windows 10 app that lets you listen to web pages, RSS feeds, word documents, books and emails.

Vert is a website that converts image, audio, video, and document files without the need to upload anything (mostly). Here's now it works.