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Why convert MP4 to AMR?
Fast
Your file is converted in under 30 seconds in our cloud.
Secure
Files are automatically deleted after 1 hour.
Quality preserved
Maximum quality preserved during conversion.
About the MP4 format
MP4 — MPEG-4 Part 14
MP4 is the world's most widely used video format, adopted universally across devices, streaming platforms, and video editing software. Based on the MPEG-4 standard, it delivers excellent video quality at relatively small file sizes.
Common uses
- Online video streaming (YouTube, Netflix)
- Social media videos
- Smartphone video recording
- Digital downloads and purchases
About the AMR format
AMR — Adaptive Multi-Rate Audio
AMR is an audio codec optimized for speech compression, used in mobile phone voice calls and voice messages. It adapts its bitrate to match speech characteristics, achieving excellent voice quality at very low bitrates.
Common uses
- Mobile phone voice recordings
- WhatsApp and messaging voice notes
- VoIP applications
- Voice memo recordings
Related conversions
Other conversions available for MP4 and AMR files
Frequently asked questions
How do I convert MP4 to AMR?
Upload your MP4 file above, choose AMR as the output format, then click Convert. Your AMR file is ready to download in seconds — nothing to install, and it works in your browser.
Is the conversion free?
Yes, basic conversion is completely free. For large volumes, check out our paid plans.
What is the maximum file size?
Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.
How long are my files kept?
Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.
What formats are supported?
We support over 200 source and target formats. See our complete formats page.
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