Converting WebM to MP4 has become a common need for users who want broader compatibility across devices, editors, and streaming platforms. This guide walks you through several reliable methods, including FFmpeg, HandBrake, VLC, online converters, and the simplest solution, UniFab Video Converter. Whether you prefer command-line precision or an easy graphical interface, this tutorial provides clear, step-by-step instructions for turning any WebM file into a universally supported MP4.