Why does a 3GP file take up so little space? The answer lies in aggressive compression and what's called . Instead of storing every single pixel, the format predicts visual data, keeping the crucial information and discarding what it thinks your eye won't miss.
Start the conversion. If the final file is slightly over 1MB, lower the video bitrate by 10 kbps and retry. 3. Why Use 1MB 3GP? 3gp king only 1mb video