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Free converter
Anyfile turns audio files into an Opus audio for free, right in your browser: nothing is uploaded. Drop a file and it converts at once.
Files are converted in your browser and never uploaded. By using Anyfile you agree to the Terms of Use.
Voice calls, voice notes and streaming, where low delay and small size matter.
.opus
A royalty-free codec standardised by the IETF in 2012 (RFC 6716), usually stored in an Ogg container. It handles both speech and music well at very low bit rates.
Voice calls, voice notes and streaming, where low delay and small size matter.
Opens in Chrome, Firefox, Edge, VLC, Audacity
About OPUS filesMP3, WAV, OGG, FLAC, AAC, M4A, AIFF, MKA and 3GA files. Drop one on this page and it converts to OPUS straight away.
No. Anyfile converts them in your browser, on your device; nothing is sent to a server.
Yes. Drop them together, and you get one ZIP with every OPUS inside.