Video to MP3 Converter
Pi7 Audio Tool - Convert MP4, MKV, MOV, WEBM and more into clean MP3 audio, right in your browser.
Need a fast way to turn a video into an MP3 file? Pi7 Video to MP3 Converter pulls clean audio out of any video and exports it as a high-quality MP3, all inside your browser.
It works for MP4 files from your phone, lecture and webinar recordings, music clips, podcast videos, and anything else with an audio track. No signup, no upload, no waiting in a queue.
How to Convert Video to MP3 in 3 Easy Steps
- Select or drop your video file (MP4, MKV, MOV, WEBM, AVI and more)
- Pick the MP3 quality (128, 192, 256, or 320 kbps)
- Click Convert to MP3 and download the audio file
That is it. The video is processed locally on your device and never uploaded to any server.
MP4 to MP3 and Every Other Common Video Format
The converter accepts every popular video container:
- MP4 (most YouTube downloads, phone recordings)
- MKV (high-quality movie rips)
- MOV (iPhone and Mac recordings)
- WEBM (web downloads)
- AVI, FLV, 3GP, WMV, M4V, TS and more
The video stream is removed automatically and only the audio track is encoded into MP3.
Pick the Right MP3 Bitrate
- 128 kbps: smallest file size, fine for voice and casual listening
- 192 kbps: the sweet spot for most users, near-CD quality
- 256 kbps: higher quality for music with detail
- 320 kbps: the best MP3 quality, ideal for full-range music
Why Choose Pi7 Video to MP3
- 100% Browser-Based: The conversion runs locally using FFmpeg compiled to WebAssembly. Your video stays on your device.
- Private and Secure: Nothing is uploaded, nothing is stored. Safe for personal recordings and confidential clips.
- Choose Your Quality: Four bitrate presets cover everything from voice memos to full-quality music.
- No Signup, No Limits: Convert as many videos as you like with no registration and no watermark.
- Works on Any Device: Desktop, laptop, tablet, and mobile browsers on Windows, macOS, Linux, iOS, and Android.
Common Use Cases
- Save a lecture or webinar video as a podcast-style MP3
- Pull a song out of a music video for offline listening
- Create MP3 ringtones from video clips
- Extract voice notes from phone videos
- Convert reels, shorts, and social clips into audio
- Archive interview videos as smaller MP3 files
Is the Audio Quality the Same as the Original Video?
The video audio is decoded and re-encoded as MP3, so a tiny amount of compression is applied. At 192 kbps and above, the difference is hard to hear. For absolutely lossless extraction, use the Audio Converter tool with WAV or FLAC instead.
Is It Safe to Convert Video to MP3 Here?
Yes. The whole conversion runs in your browser using WebAssembly. Your video file is never uploaded to any server, which makes Pi7 Audio Tool one of the most private ways to convert MP4 to MP3 online.
Is There a File Size Limit?
Because everything runs locally, the only real limit is your device memory. Most phones handle videos up to a few hundred megabytes comfortably, and modern desktop browsers can handle multi-gigabyte files.
Start Converting Video to MP3 Now
Drop your video, pick the MP3 quality, and grab the audio in seconds. Fast, free, and fully private - only in Pi7 Audio Tool.