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Speex to Opus - Online Audio Converter
Convert Speex to Opus online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert Speex to Opus
Drop Speex audio here or click to select
Speex, OGG
Opus (Opus)
About Speex to Opus
Convert Speex to Opus. Speex compresses speech at telecom bitrates for voice apps. Opus adapts from 6 kbps speech to 510 kbps music with low latency. CD-era hardware may not decode it; use MP3 for legacy players..
Why convert Speex to Opus?
- Smaller files with Opus lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
Speex vs Opus
| Codec | Speex | Opus |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | Speex compresses speech at telecom bitrates for voice apps. | Opus adapts from 6 kbps speech to 510 kbps music with low latency. |
When not to convert Speex to Opus
- Skip Opus for archival masters: lossy compression discards detail, so keep the Speex original.
- Keep a master copy: repeated exports stack small losses, so archive Speex before batch Opus shares.
Limits
Starting point: Speex - Speex compresses speech at telecom bitrates for voice apps. Wideband modes confuse old tools; verify rate after conversion. CD-era hardware may not decode it; use MP3 for legacy players. Encode Opus (Opus) from Speex at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert Speex to Opus?
Drop your Speex file onto this page, choose quality and codec settings, then click Convert. The result downloads as Opus instantly. All processing runs in your browser.
What codec is used for Opus?
The default codec for Opus is Opus. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.