What makes WALTR stand out is the full list of various video & audio formats that it can convert and transfer for native playback. Here’s what you can push into WALTR so far:
Audio: m4a, m4b, mp3, aac, flac, cue, wav, aiff, ape, tta, tak, wv, wma, ogg, oga, dff, dsf;
Video: mp4, mkv, avi, m4v, mov, 3gp, flv, mts, ts, mpg, m2v, dv, wmv, webm, rm, rmvb, vob, m2ts;
Subtitles: srt, ass, ssa;
Books: pdf, epub;
Ringtones: M4R;
*AVI – Certain AVI files won’t play back on newer devices (2018 and above). The issue is going to be fixed in the future.