Audio Conversion
Convert MP3 to 3GP Online — Free
Fast, free MP3 to 3GP converter. No registration required.
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Files auto-deleted after processing
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Works Everywhere
Any browser, any device
How to Convert
1
Upload your .mp3 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 MP3?
MP3 is the most popular audio format worldwide. It uses lossy compression to reduce file size while maintaining acceptable audio quality for most listeners.
Format Details
- Full Name
- MPEG Audio Layer III
- Extension
- .mp3
Key Features
- Universal compatibility
- Small file sizes
- Streaming support
- ID3 tag support
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
MP3 vs 3GP
| Feature | MP3 | 3GP |
|---|---|---|
| Full Name | MPEG Audio Layer III | 3GPP Multimedia |
| Extension | .mp3 | .3gp |
| Best For | Universal compatibility | 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.