How to Convert Video to MP3 for Free

There are many situations where you only need the audio track from a video. A podcast recorded as video that you want to listen to on the go. An online course or lecture you want to keep as audio only for re-listening. A film soundtrack or music video you want to save.

The MP3 format is universally compatible: it works on all devices, all audio players, and all platforms. An MP3 file is also considerably lighter than a video — a 100 MB video can yield an MP3 of only 5 to 10 MB, freeing up precious storage space.

For content creators, audio extraction is essential for repurposing content. A YouTube video interview can become a podcast episode. A video tutorial can be converted into an audio guide for people who prefer listening.

Musicians and producers regularly extract audio from videos to sample sounds, analyze tracks, or create audio compilations from filmed live performances.

MP3 is the most universal audio format. With efficient compression, an MP3 file at 192 kbps offers excellent quality for everyday listening while keeping a reasonable file size. It's the default choice for most uses.

WAV is an uncompressed format that preserves the original audio quality without any loss. Files are large (about 10 MB per minute) but it's the reference format for professional audio editing and music production.

AAC (Advanced Audio Coding) offers better quality than MP3 at equivalent bitrate. It's Apple's default format (iTunes, iPhone). If your ecosystem is Apple, it's an excellent choice.

OGG Vorbis is a free and open-source format. It offers superior quality to MP3 at equivalent bitrate, but its compatibility is less universal. Ideal for open-source projects or video games.

For general use, MP3 at 192 or 256 kbps is the best compromise between quality, compatibility, and file size.

Step 1: Import your video. Drag and drop your video file into the tool. MP4, MOV, WebM, AVI and MKV formats are supported.

Step 2: Configure quality. Choose the output bitrate. 128 kbps for standard quality and lightweight files, 192 kbps for a good balance, 320 kbps for the best quality.

Step 3: Convert and download. Processing is done entirely in your browser thanks to FFmpeg compiled to WebAssembly. No file is sent to any server. Get your MP3 in one click.

No signup, no limits, no audio watermark. The tool is 100% free.

Start with good source quality. The MP3 quality cannot exceed that of the source. A low-quality compressed video will produce a low-quality MP3, regardless of the bitrate chosen.

Choose the right bitrate. For music, 256 or 320 kbps is recommended. For speech (podcasts, lectures), 128 kbps is more than sufficient — the human voice doesn't require as much bandwidth as music.

Don't re-encode unnecessarily. If your video already contains an AAC audio track at 256 kbps, converting it to MP3 at 128 kbps will degrade quality. Try to maintain an output bitrate at least equal to the source.

Use VBR (Variable Bitrate) mode if available. VBR adapts the bitrate to the complexity of the audio content — more bits for rich musical passages, fewer for silences — optimizing both quality and file size.

Audio extraction from videos raises copyright questions that are important to understand.

Personal content. Extracting audio from your own videos is perfectly legal. You are the rights holder and can do what you want with your content.

Creative Commons content. Many educational and creative videos are published under CC licenses that explicitly allow reuse, including audio extraction, under certain conditions (attribution, non-commercial, etc.).

Personal use / private copy. In many countries, private copy legislation allows audio extraction for strictly personal and non-commercial use. However, exact conditions vary by jurisdiction.

Protected content. Extracting and redistributing audio from copyrighted content (commercial music, films, TV shows) without permission is illegal. Respect creators' rights.

1. Create podcasts from videos. Convert your video interviews, webinars, or presentations into podcast audio episodes. Expand your audience by offering your content on audio platforms.

2. Study in audio mode. Students: convert your recorded lectures to MP3 to re-listen during commutes, while exercising, or before sleep. Passive learning works.

3. Create ringtones. Extract a passage from a video to make a custom ringtone for your phone.

4. Audio archiving. Audio files are much lighter than videos. If only the audio content matters to you, converting to MP3 saves 90% of storage space.

5. Music production. Sample sounds from videos, extract acapellas or instrumentals from live performances for your music projects.