3GP to M4R Converter
Convert your 3gp files to m4r online & free
3gp
m4r
Settings
Auto
Set the AAC audio bitrate per channel. For example, stereo audio with 128 kbps set here will produce a 256 kbps file. If set to "Custom", the recommended range is ≥64 kbps.
Mono (1.0)
Set the number of audio channels. This setting is most useful when downmixing channels (e.g., from 5.1 to stereo).
Auto (No change)
Set the sample rate of the audio. Music with a full spectrum (20 Hz — 20 kHz) requires values not lower than 44.1 kHz to achieve transparency. More info can be found on the wiki.
Convert to 3GP
3gp
Third Generation Partnership Project
3GP is a multimedia container developed by Third Generation Partnership Project in 1998 for GSM-based (Global System for Mobile Communications) phones. The container requires little bandwidth, storage space and data usage that is why it is ideal for cell phones. It is a standard container for the files sent using MMS (Multimedia Messaging Service).
M4R Converter
m4r
MPEG 4 Ringtones Audio
M4R - is a digital multimedia container format used to store audio in mono channel mode. This format is suitable for store ringtones and it is widely used by Apple iPhone for its ringtones. Needless to say that M4R and M4A formats shares many similar features.
How to convert 3GP to M4R
Step 1
Upload 3gp-file(s)
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Step 2
Choose "to m4r"
Choose m4r or any other format you need as a result (more than 200 formats supported)
Step 3
Download your m4r
Let the file convert and you can download your m4r file right afterwards