Supported input formats
- AAC
- AIF
- AIFF
- APE
- AU
- DSF
- FLAC
- M4A
- MP3
- OGA
- OGG
- OPUS
- +3 more
We support 15 formats. All conversion happens in your browser.
View all formats →Convert compatible files to SPEEX directly in your browser.
You can also drag files into this area
We support 15 formats. All conversion happens in your browser.
View all formats →Speex is the open speech codec designed for low-bitrate voice, the VoIP-era Xiph codec that Opus later replaced. Learn when to use it and what to choose instead.
Learn more about SPEEX →