Whether you are a student downloading Fast & Furious on a shared hostel Wi-Fi, or a traveler wanting to watch The Jungle Book (Hindi dubbed) on a bus journey, the combination of in 3GP and MP4 formats is your best friend.

If you have a legal DVD or a high-quality source (like a Blu-ray rip you own), but you need a smaller 3GP or MP4 file for your old phone, you can convert it using free software.