Ace Video Converter is a free video and audio converting software.
It supports most/all media formats ranging from 3g2, 3gp, 3gpp, 3gpp2, aac, ac3, aif, aifc, aiff, amr, amv, ape, asf, asx, au, avi, awb, cda, cdg, dat, dif, div, divx, dv, dvr-ms, f4p, f4v, flac, flc, fli, flv, gvi, ivf, ivr, m1v, m2t, m2ts, m2v, m3u, m4a, m4v, mid, midi, mjpeg, mjpg, mkv, mod, mov, mp+, mp2, mp3, mp4, mpa, mpc, mpe, mpeg, mpg, mpp, mpv, ms-dvr, mts, mtv, mw, nsv, nut, ogg, ogm, ogv, qt, ra, ram, rm, rmi, rmvb, rv, snd, swf, tp, trp, ts, wav, wm, wma, wms, wmv, wmz, yuv, etc.
This software also supports downloading and converting videos as well as extracting DVD movies directly to common media formats.
Ace Video Converter comes in two version; free and pro. The free version, according to their website, has no restrictions, no time limits, no watermark, etc, however if you want to rip DVDs, you will have to upgrade to the pro version.