Convert OGG Vorbis into the more modern Opus format, which often sounds better at the same size. The conversion runs right in your browser with no upload.
In “Local” mode your file never leaves your device. No uploads, no server – ideal for sensitive recordings.
Pick “Local” for full privacy or “Server” for very large files and every format.
No sign-up, no queue, no watermark. Choose a file, convert, download.
No. OGG and Opus are both lossy, so this is a transcode with possible minor quality loss. A sufficient bitrate keeps that loss small.
Opus is a modern codec that often sounds better than older formats at low bitrates. It works great for speech, streaming and space-saving libraries.
Opus is supported by modern browsers, many apps and newer devices, but not universally. For maximum compatibility, MP3 is the safer choice.
No. By default the conversion runs locally in your browser. An optional server mode is available for very large files.