all free webm to mp4 converter freeware downloads
FSS Video Converter
2.2.0.3 freeware downloadFSS Video Converter is a useful software application that allows users ... handle the following output video formats: AVI, DVD, MP4, MPEG, WMV, FLV, MKV, 3GP, WEBM, MOV, RM, ...
Pazera Free Audio Extractor
2.7 freeware downloadFree application that converts audio files to MP3, AAC, ... chapters (often found in audiobooks). The application supports all major video and audio formats (AVI, FLV, MP4, ...