MP4 to WEBA Converter
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Supports: MP4, M4V
Advanced Options - Our defaults are optimized for the best results. We recommend you keeping the defaults unless you have a specific need.
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Need help?How to Convert MP4 to WEBA Online
- Upload Your MP4 Files — Drag and drop or select one or more MP4 or M4V video files.
- Choose a Quality Preset — Select from Highest, Very High (Recommended), High, Medium, Low, Very Low, or Lowest. This controls the output audio bitrate.
- Adjust Audio Settings (Optional) — Change the Audio Channel to Original, Mono, or Stereo. Set a specific Sample Rate (Original, 8000 Hz, 12000 Hz, 16000 Hz, 24000 Hz, 44100 Hz, or 48000 Hz).
- Trim (Optional) — Set a start time and duration in seconds or HH:MM:SS.sss to extract audio from a specific segment of the video.
- Convert & Download — Click Convert and download your WEBA files.
Why Convert MP4 to WEBA?
WEBA is the audio-only variant of the WebM container, typically using the Opus or Vorbis codec. It's the format used by YouTube for audio streams and is natively supported by all modern web browsers. Converting MP4 to WEBA is useful when you need to extract audio from video for web playback, embed audio in HTML5 <audio> elements, or create lightweight audio files optimized for streaming. WEBA with Opus delivers excellent quality at low bitrates — often better than MP3 at the same file size.
WEBA vs Other Audio Formats
| Feature | WEBA (Opus) | MP3 | AAC | OGG Vorbis |
|---|---|---|---|---|
| Web browser support | Chrome, Firefox, Edge, Opera | All browsers | Most browsers | Chrome, Firefox |
| Quality at 128 kbps | Excellent | Good | Very good | Very good |
| Quality at 64 kbps | Very good | Poor | Acceptable | Good |
| Royalty-free | ✅ | ❌ | ❌ | ✅ |
HTML5 <audio> native |
✅ | ✅ | ✅ | ✅ |
| YouTube internal format | ✅ | ❌ | ✅ | ❌ |
Use Cases
- Web audio embedding — WEBA is purpose-built for HTML5
<audio>elements. Smaller files and better quality than MP3 at the same bitrate. - YouTube audio extraction — YouTube internally stores audio as WEBA/Opus. Converting your MP4 to WEBA produces files in the same format used by the platform.
- Podcast web players — Serve WEBA to modern browsers for efficient streaming, with an MP3 fallback for older clients.
- Voice recordings — Opus (the default WEBA codec) excels at speech compression. A voice recording at 48 kbps Opus sounds comparable to 128 kbps MP3.
What is a WEBA file?
WEBA is the audio-only WebM container format. It typically contains audio encoded with the Opus or Vorbis codec. The .weba extension signals to browsers and players that the file contains only audio, no video.
What Quality Preset should I use?
For music, "Very High" or "Highest" preserves the most detail. For speech and voice recordings, "Medium" or "High" is sufficient — Opus is exceptionally efficient at encoding speech even at low bitrates.
Can I play WEBA files on my phone?
Android plays WEBA natively in Chrome and most media players. iOS supports WEBA playback in Safari 15+ and Chrome. For maximum mobile compatibility, consider MP4 to MP3 instead.
Does this extract the audio track from the video?
Yes. The converter decodes the audio stream from the MP4 container (typically AAC) and re-encodes it as Opus inside a WEBA container. The video track is discarded entirely.
Can I trim the audio before converting?
Yes. Use the Trim option to set a start time and duration in seconds or HH:MM:SS.sss format. Only the selected segment is extracted and converted to WEBA.