How to Extract Audio from Video Free Online

Convert MP4, MOV, AVI, and MKV to MP3 or WAV — free, fast, and private.

Published: February 18, 2026

Need to extract audio from a video free online? Whether you want to rip the soundtrack from an MP4, save a voiceover from a MOV file, or convert a YouTube download to MP3, AudioCutter.site makes it effortless — right in your browser, with no software to install.

Why Extract Audio from Video?

  • 🎵 Save the soundtrack from a movie or music video
  • 🎙️ Extract voiceover audio from a video recording
  • 📢 Rip audio from a lecture or webinar recording
  • 🎬 Get the audio track from a screen recording
  • 📱 Convert video to audio for offline listening

How to Extract Audio from Video Online — Step by Step

Step 1: Open AudioCutter.site

Go to audiocutter.site in any browser. No account needed.

Step 2: Upload Your Video File

Click "Upload Video" and select your video file. Supported video formats include MP4, MOV, AVI, MKV, WebM, and more. Files up to 500MB are supported.

Step 3: The Audio is Extracted Automatically

AudioCutter.site automatically extracts the audio track from your video. The waveform of the extracted audio will appear, ready for editing.

Step 4: Trim the Audio (Optional)

If you only want a specific section of the audio, use the trim handles to select your desired clip. This is great for extracting just the chorus of a song or a specific quote from a lecture.

Step 5: Download Your Audio File

Choose your output format (MP3, WAV, OGG) and click "Download". Your extracted audio file will be saved to your device.

Supported Video Formats

  • 🎬 MP4 — Most common video format
  • 🎬 MOV — Apple QuickTime format
  • 🎬 AVI — Windows video format
  • 🎬 MKV — Matroska video format
  • 🎬 WebM — Web-optimized video
  • 🎬 FLV — Flash video format

Common Use Cases

MP4 to MP3 Conversion

The most common use case. Upload your MP4 video and download the audio as MP3. Perfect for music videos, lectures, and podcasts recorded as video.

Extract Audio from Screen Recordings

If you recorded a Zoom call, webinar, or tutorial as a video, you can extract just the audio track to create a podcast episode or audio-only version.

Save Music from Video Files

Have a music video saved as MP4? Extract the audio to get a clean MP3 version of the song.

Tips for Extracting Audio from Video

  • For best audio quality, choose WAV as the output format if you plan to edit the audio further.
  • For sharing or streaming, choose MP3 for smaller file sizes.
  • After extracting, use the silence removal feature to clean up the audio.

Frequently Asked Questions

Is it free to extract audio from video?

Yes! AudioCutter.site is completely free. No watermarks, no sign-up, no limits.

Is my video file safe?

Absolutely. All processing happens locally in your browser. Your video files are never uploaded to our servers.

Can I extract audio from a YouTube video?

If you have a downloaded copy of a YouTube video saved on your device, you can upload it to AudioCutter.site and extract the audio. Always respect copyright laws when extracting audio from videos.

What's the best audio format for extracted audio?

MP3 for general use and sharing. WAV for professional editing. See our audio format guide for more details.

Extract Audio from Video — Free!

MP4 to MP3 in seconds. No watermark. No sign-up.

🎵 Extract Audio Free →