3GP to SD2 Converter
Convert your 3gp files to sd2 online & free
How to convert 3gp to sd2
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to sd2"
Choose sd2 or any other format you need as a result (more than 200 formats supported)
Download your sd2
Let the file convert and you can download your sd2 file right afterwards
Third Generation Partnership Project
Is a the most popular media container format on phones without the support of 3G, which is currently somewhat outdated. Its main advantage is a compactness. Video data here gets stored in h.263 or MPEG-4 formats. AAAC-LC or AMR-NB are available for audio.
Sound Designer 2 format
SDII (Sound Designer II, sometimes seen abbreviated as SD2) is a monophonic/stereophonic audio file format, originally developed by Digidesign for their Macintosh -based recording/editing products. It is the successor to the original monophonic Sound Designer I audio file format.