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WMA to Opus

Converts WMA files to Opus format — Windows-based media libraries, legacy devices, and corporate audio systems to voice-over-IP, real-time communication, and streaming at very low bitrates with excellent quality. All conversion happens locally in your browser with no file size limits.

Runs on FFmpeg

100% Local Browser Native

How to Use the WMA to Opus

1. Drop WMA file(s)

Upload your WMA source. Runs locally on FFmpeg.

2. Set Opus options

Set Opus bitrate and sample rate — 128 kbps MP3 for sharing, WAV for editing masters.

3. Download Opus

Files save straight to your device — downloads on local tools are unlimited.

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Frequently Asked Questions

Why convert WMA to Opus?

WMA (Windows Media Audio) uses lossy compressed encoding and is best for Windows-based media libraries, legacy devices, and corporate audio systems. Opus (Opus Interactive Audio Codec) uses lossy compressed encoding and excels at voice-over-IP, real-time communication, and streaming at very low bitrates with excellent quality. Converting between them lets you take advantage of each format's strengths — for example, using a compressed format for sharing and a lossless format for editing. All conversion happens locally in your browser with no file size limits.

What does WMA to Opus do?

Convert WMA audio files to OPUS format directly in your browser. High-quality conversion with no file size limits.

Where does Opus fit best?

voice-over-IP, real-time communication, and streaming at very low bitrates with excellent quality.

What WMA files convert best?

Complete, uncorrupted WMA files convert cleanly. Partial downloads and truncated files fail or produce broken output — verify the source opens correctly first.

Last updated October 2026