Audio Conversion
Convert AMR to 3GP Online — Free
Fast, free AMR to 3GP converter. No registration required.
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How to Convert
1
Upload your .amr file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .3gp file when it's ready.
What is AMR?
AMR is an audio format optimized for speech encoding. It's commonly used for voice recordings on mobile phones and VoIP applications.
Format Details
- Full Name
- Adaptive Multi-Rate Audio
- Extension
- .amr
Key Features
- Speech optimized
- Mobile phones
- Small files
- Voice recording
What is 3GP?
3GP is a multimedia container format designed for 3G mobile phones. It's optimized for low bandwidth and storage, making videos smaller but lower quality.
Format Details
- Full Name
- 3GPP Multimedia
- Extension
- .3gp
Key Features
- Mobile optimized
- Small file size
- 3G network compatible
- Low bandwidth
AMR vs 3GP
| Feature | AMR | 3GP |
|---|---|---|
| Full Name | Adaptive Multi-Rate Audio | 3GPP Multimedia |
| Extension | .amr | .3gp |
| Best For | Speech optimized | Mobile optimized |
Frequently Asked Questions
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.