Free Video to MP3 Converter
Extract audio from any video and save as MP3. Supports MP4, MOV, AVI, MKV, WebM and more with three bitrate options.
High-intent, free video to MP3 workflow for creators, marketers, and developers — same quality focus as our Audio Extractor when you need WAV or AAC instead.
Drop your video file here
or click to browse • MP4, MOV, AVI, MKV, WebM and more
Editing is a pain in the ass, right?
That's why we're building Cubix. No more editing hell.
AI Video Editor
Drop your footage, tell it what you want. Cubix cuts, captions, color grades, and exports — fully on its own. No timeline. No manual work. Just results.
Cinematic Screen Recorder
Hit record on Windows. Auto-zoom, cinematic backgrounds, and studio-quality audio kick in automatically — your screen recording looks edited before you've touched a thing.
All Video Formats
Works with MP4, MOV, AVI, MKV, WebM, FLV, WMV, and any other video format FFmpeg supports.
3 Bitrate Options
Choose 128k for smaller files, 192k for a balanced result, or 320k for the highest quality MP3.
Fast Extraction
FFmpeg-powered audio extraction is fast, accurate, and preserves 44.1kHz audio sample rate.
Frequently Asked Questions
How do I convert a video to MP3 online for free?
Upload your video file, pick an MP3 bitrate (128k, 192k, or 320k), and convert. When processing finishes, download the MP3. No software install is required.
Can I turn MP4 into MP3?
Yes. MP4 is a common container; this tool extracts the audio track and encodes it as MP3 using your chosen bitrate.
What bitrate should I use for MP3?
128k is fine for speech and small files. 192k is a balanced default for music and mixed content. 320k is the highest common MP3 quality when file size matters less.
Is video to MP3 the same as an audio extractor?
Yes — both strip the video and keep audio. Cubix also offers an Audio Extractor tool with WAV, AAC, and FLAC if you need formats other than MP3.
Related conversion tools
GIF, MOV/MP4, multi-format conversion, and multi-format audio extraction.