MP3 to OPUS
Convert MP3 files to OPUS for free. No file size limit, and nothing leaves your device.
Drop files here
Images, video, audio and PDFs. Any size, as many as you like.
How to convert MP3 to OPUS
- Drop your MP3 files in the box, or click Choose files.
- Check OPUS is selected next to each file.
- Press Convert, then Save or Download all.
Is it private?
Yes. A copy of ffmpeg, the open-source audio tool, runs inside your browser. The first conversion downloads it once (about 30 MB). Your files are never sent to a server, so there is nothing to store or delete.