🎙️ OPUS Format
OPUS Converter
Convert OPUS files in your browser. Free, private, and fast. Efficient open audio format for voice and music and link to the best OPUS import and export pages.
What is OPUS?
Opus is an open, royalty-free audio codec standardised by the IETF that delivers excellent quality at low bitrates. It is the codec behind WhatsApp voice messages, Discord, and most modern voice and streaming applications.
Common uses for OPUS
- Compact voice messages and podcasts
- Streaming music at low bitrates
- Replacing OGG Vorbis with a more efficient codec
Note: Older players, car stereos and some editing tools do not understand Opus, and iPhones only play it in newer iOS versions.
Compatibility: Chrome, Firefox, Edge, Safari 17+, Android 5+, VLC and most modern players.
Convert from OPUS
Choose the output format you need from a OPUS file.
Convert to OPUS
Convert other formats into OPUS.
100% Private & Browser-Based
Your files never leave your device. All conversion happens locally in your browser — nothing is uploaded to any server. No sign-up required.
FAQ
Frequently Asked Questions
Yes — all OPUS conversion tools on AintoB are completely free. No account required, no upload limits for typical files.
Opus is an open, royalty-free audio codec standardised by the IETF that delivers excellent quality at low bitrates. It is the codec behind WhatsApp voice messages, Discord, and most modern voice and streaming applications.
Your OPUS files are processed entirely in your browser. Nothing is sent to any server — the conversion is performed locally using browser-native APIs.
OPUS stands for Opus Audio. Opus is an open, royalty-free audio codec standardised by the IETF that delivers excellent quality at low bitrates.