You can drag and drop it too — we’re flexible!
We’ll take care of the rest — it only takes a few seconds.
Just download it and enjoy. Easy, right?
MP4 is a multimedia container format that can store video, audio, subtitles, and images. It’s the most common format for online video streaming and playback, supporting high compression and broad compatibility. MP4 is often used with H.264 and AAC codecs.
Opus is a modern, open audio codec optimized for internet streaming and real-time applications like VoIP, video conferencing, and gaming. It offers excellent quality at low bitrates and adapts dynamically to different audio types, including speech and music.
Convert your .mp4 files to .opus right in your browser — no downloads, no installs. Everything happens securely in the cloud.
We never store your files permanently. Only you can access them, and they’re automatically deleted from our servers within 2 hours.
Turn your MP4 files into OPUS in just a couple of clicks. No registration, no limits — and it’s 100% free.