Adaptive Multi-Rate
A speech codec used for phone calls and voice recordings.
- Type
- audio
- Best for
- voice recordings
No account · no upload · no watermark
Convert AMR to OPUS. Completely free.
Drop your AMR and get an OPUS back, right here in this tab. Your own computer does the work, so nothing gets uploaded, and there's no paid version.
AMR to OPUS converter
Opus Audio
A modern open codec that sounds excellent at very low bitrates.
- Type
- audio
- Best for
- voice and streaming
What to expect
Both formats are compressed, so converting costs a little quality. Starting from the best copy you have and picking a higher bitrate under More options keeps that small.
How to convert AMR to OPUS
- Drop your AMR on this page, or choose it from your device.
- OPUS is already selected. Bitrate, trim and loudness are under More options.
- Press Convert and listen to the result before you download it.
Questions
Is this AMR to OPUS converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Do my files get uploaded?
No. Your browser does the work on your own device, so your files stay with you. Closing the tab clears them from memory.
Can I convert several files at once?
Yes. Drop as many as you like, and the results can be downloaded together as a ZIP.
Does it work on a phone?
Yes, in a current mobile browser. Large files are limited by how much memory your device can spare.
What should I know about AMR to OPUS?
Both formats are compressed, so converting costs a little quality. Starting from the best copy you have and picking a higher bitrate under More options keeps that small.
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Ready to convert your AMR?
- Completely free
- Nothing uploaded
- No account
- No watermark