Audio Conversion
Convert AMR to MKV Online — Free
Fast, free AMR to MKV 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 .mkv 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 MKV?
MKV is an open-source container format that can hold unlimited video, audio, picture, or subtitle tracks. Popular for high-definition video content and anime.
Format Details
- Full Name
- Matroska Video
- Extension
- .mkv
Key Features
- Multiple audio tracks
- Subtitle support
- Chapter markers
- High quality
AMR vs MKV
| Feature | AMR | MKV |
|---|---|---|
| Full Name | Adaptive Multi-Rate Audio | Matroska Video |
| Extension | .amr | .mkv |
| Best For | Speech optimized | Multiple audio tracks |
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.