ffmpeg -i input.mp4 -c:v h263 -b:v 384k -c:a aac -b:a 128k -r 25 -s 320x240 output.3gp
Instead of converting to 3GP, buy a $40 retro handheld (like the PowKiddy or TrimUI) that plays standard MP4 files perfectly. This eliminates the need for "extra quality" hacks. 3gp king youtube extra quality
YouTube’s role and the migration from constrained formats YouTube began as a platform for short, low-resolution clips but rapidly scaled to host content in progressively higher resolutions and formats. For creators who once relied on small files like 3GP for distribution, YouTube represented both opportunity and challenge: the ability to reach global audiences, but also the obligation to meet higher expectations for quality. ffmpeg -i input