Free online WEBM-to-OPUS converter — upload a WEBM file and download a OPUS. Fast, private, no signup.
Drop your WEBM file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a OPUS to download. No software to install.
Yes. Convert WEBM to OPUS for free right in your browser, with no account needed to get started.
Your file is transferred over an encrypted connection and anonymous uploads are temporary. You can also view and strip metadata (location, device, author) before you download.
Open web video container (VP8/VP9/AV1). Modern low-latency lossy audio codec.
Convert WEBM to: MP4 · MOV · MKV · 3GP · AVI · FLV · MPEG · WMV · JPG · PNG
Convert to OPUS from: AAC · AIFF · FLAC · M4A · MP3 · OGG · WAV · WMA · 3GP · AVI