Audio tool

Convert AMR Files to Opus on Your Device

Convert AMR to Opus in your browser for low-latency delivery. The source remains on your device throughout local processing.

Route AMR → OPUS

or drop here · up to 500 MB

Max 50 MB per file

Preview (optional)

When your browser supports it, your audio plays here. You can still convert your file if preview does not load.

Ready

Use upload name

Conversion uses local memory and processor capacity until completion during this AMR-to-Opus job.
High-resolution AMR footage increases conversion time and memory use.
Keep the source until the Opus result passes a full playback check.

Opus serves voice chat, streaming, and efficient web audio, whereas AMR commonly serves telephony recordings and voice-focused mobile systems.
For AMR-to-Opus delivery, plan for limited support in older editing tools.
After leaving AMR, the receiving app must support the streams encoded inside Opus, not only its extension.

AMR to Opus taking too long? Process a shorter section to determine whether file size is the bottleneck.
Opus converted from AMR not opening? Test a compatible player and inspect the output streams.
A Opus extension alone may not be enough; verify the required internal codec.

When does AMR to Opus conversion make sense?

It is useful when AMR media created for compact speech delivery must enter a Opus system designed for low-latency delivery.

Where is the AMR source processed?

The browser prepares Opus from AMR on this device instead of sending the source to a remote conversion server.

How can I approve Opus converted from AMR?

Test the Opus file in the receiving app and compare duration, channels and loudness with the AMR source.

Quick use cases