Yes. One conversion an hour is free, with no account needed, for a file within the free size limit. A paid plan removes the hourly limit and the size limit, and lets you add several files to one job.
M4V ਤੋਂ 3GP ਬਦਲਣ ਲਈ ਕਿੰਨਾ ਸਮਾਂ ਲੱਗਦਾ ਹੈ?
+
It depends on the size and length of the file. Small documents and images are usually ready quickly. Long videos take the longest, because most video conversions re-encode every frame.