[Conclusion] How to convert MP4 to M4A! Batch processing software and precautions for changing extensions

For those who want to extract only the audio from a video (MP4) and listen to it on their smartphone. We will thoroughly explain everything from why simply 'renaming the extension' is a bad idea, to ...

This free Windows app makes file conversion ridiculously easy

File Converter turns images, videos, audio, and documents into new formats without having to open another app.
Neowin

FFmpeg Batch AV Converter 3.2.9FFmpeg Batch AV Converter 3.2.9

FFmpeg Batch AV Converter is a free universal audio and video encoder, that allows to use the full potential of ffmpeg command line with a few mouse clicks in a convenient GUI. Among other things, you ...
Neowin

FFmpeg Batch AV Converter 3.2.5FFmpeg Batch AV Converter 3.2.5

FFmpeg Batch AV Converter is a free tool that simplifies audio and video encoding using the full power of FFmpeg through an intuitive GUI with drag-and-drop functionality and progress tracking. Razvan ...
Ars Technica

batch print/convert rtf to ps

I have a ton of windows rtf files (yup from converting some docs from windows only to cross platform). I'd like to batch convert them to ps (basically printing them). Any suggestions? I know abiword ...