Convert video to MP3 online for free - extract high-quality audio from MP4, MOV, AVI, MKV, WebM and more at 128, 192, or 320 kbps. 100% browser-based, no upload, no watermark, no signup. The fastest free video to MP3 converter.
Everything you need to know about using our Video to MP3 Converter
Drop or upload your video file (MP4, MOV, AVI, MKV, WebM etc.), choose your bitrate (128, 192, or 320 kbps), click Convert to MP3, preview the audio, then download. The entire process runs in your browser - no signup, no watermark, no server upload needed.
You don't need to download anything. This online video to MP3 converter works entirely in your browser. No software to install, no account required - just open the page, drop your video, and download your MP3 in seconds.
Upload your MP4 file using the drag-and-drop area or file picker, select your preferred audio quality (320 kbps for best quality), then click Convert to MP3. The tool extracts the audio track from the MP4 and saves it as an MP3 file you can download instantly.
MP4, MOV, AVI, MKV, WebM, FLV, WMV, and M4V. These cover all common formats from phones, cameras, screen recorders, and downloaded videos.
You can choose 320 kbps (High - studio quality, indistinguishable from original), 192 kbps (Medium - excellent quality, smaller file), or 128 kbps (Low - good quality, smallest file size). 320 kbps is recommended for music.
No. Everything happens locally in your browser using the Web Audio API and lamejs encoder. Your video file is never sent to any server, making this one of the most private free video to MP3 converters available.
Yes. This tool works on any device with a modern browser - iPhone, Android, iPad or desktop. Open the page in Safari, Chrome or Firefox, tap to select your video, choose quality, and download your MP3.
MP3 contains only the audio track with no video frames or picture data. A typical 100 MB MP4 video might produce a 5–10 MB MP3 file depending on the audio length and bitrate selected.
There is no artificial server-side file size limit. The practical limit is your device's available RAM. Most modern devices handle files up to 1–2 GB comfortably. For very large files, choose 128 kbps to speed up conversion.
Convert any video to MP3 online for free - no upload, no watermark, no signup required. Extract high-quality MP3 audio at 128, 192, or 320 kbps from MP4, MOV, AVI, MKV, WebM, and more. The entire conversion runs in your browser using the Web Audio API, so your files stay on your device and are never sent to a server. Perfect for pulling audio from music videos, lecture recordings, podcast video interviews, webinars, and downloaded films.
Upload your video file using drag-and-drop or the file picker. Choose your preferred audio quality - 320 kbps for studio-quality music, 192 kbps for a balance of quality and file size, or 128 kbps for the smallest output. Click Convert to MP3. The tool decodes the video's audio track using the browser's Web Audio API, re-encodes it to MP3 format using lamejs, and gives you an instant download with an in-browser audio preview.
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| Feature | Keynou | Online-Convert | Zamzar | CloudConvert |
|---|---|---|---|---|
| Price | Free | Free / Premium | Free / Premium | Free / Premium |
| Privacy | 100% browser-based | Cloud upload | Cloud upload | Cloud upload |
| Max File Size | RAM limit (~2GB) | 100MB free | 50MB free | 1GB free |
| Quality Choice | 128 / 192 / 320 kbps | Variable | Variable | Variable |
| No Signup | Yes | No | No | No |
| No Watermark | Yes | Yes | Yes | Yes |
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Extract high-quality MP3 audio from any video - free, instant, 100% private. No upload, no watermark, no signup. Works on any device.
Drop your video here
or click to browse - MP4, MOV, AVI, MKV, WebM and more
100% Private
Files never leave your device
No size limit
No artificial file size cap
3 Quality levels
128 / 192 / 320 kbps MP3
No watermark
Pure MP3, no branding added
Music Videos
Extract songs from music videos for offline listening
Podcasts
Pull audio from video interviews for podcast episodes
Lectures
Convert lecture recordings to audio-only for studying
Webinars
Save audio from online webinars and courses
Soundtracks
Extract game or film soundtracks from video files
Speech
Convert speeches to MP3 for transcription
Upload your video
Drag & drop or click to select. MP4, MOV, AVI, MKV, WebM and more. No file size limit.
Choose audio quality
Pick 320 kbps for studio quality, 192 kbps for balanced, or 128 kbps for the smallest file.
Download MP3
Preview the audio, then click Download MP3. Free, no watermark, no signup required.
| Format | File Size | Quality | Compatibility | Best For |
|---|---|---|---|---|
| MP3 | Small | Excellent | Universal | Music, podcasts, general use |
| WAV | Large | Lossless | Universal | Professional audio editing |
| AAC | Small | Very good | Apple/modern | Apple devices, streaming |
| OGG | Small | Good | Limited | Web audio, open-source apps |
| FLAC | Medium | Lossless | Good | Archiving, audiophiles |
Privacy note: This video to MP3 converter uses your browser's built-in Web Audio API and the lamejs encoder to process files entirely on your device. No data is ever sent to any server - your videos and MP3 files remain completely private.