mp4tomp3.live
Convert Now
About mp4tomp3.live

Audio extraction that
just works

We built mp4tomp3.live because every other online converter was either slow, plastered with deceptive ads, asked for your email, or quietly kept your files. We built the tool we actually wanted to use — fast, private, honest.

🎵
2M+
Files Converted
📁
500MB
Max File Size
< 30s
Avg. Conversion
🆓
100%
Free Forever
Our Mission

Why we built this

The internet is full of video-to-audio converters, but most compromise on something critical — they're slow, unsafe, or deceptive. We set out to build the tool we'd recommend to a friend without hesitation.

mp4tomp3.live uses FFmpeg — the same open-source media engine that powers YouTube, Netflix, VLC, and most broadcast infrastructure on the planet. Your file gets professional-grade processing, not a janky JavaScript hack.

"A tool should do exactly what it says, nothing more, nothing less. Your file comes in, your MP3 goes out, and everything in between is deleted."

We convert MP4, MOV, AVI, MKV, WEBM, MPEG, OGV, and 3GP files to MP3 at your choice of 128, 192, or 320 kbps. Every upload is encrypted in transit with TLS 1.3. Every file is processed in an isolated temporary directory. Every file is deleted automatically — input files immediately after conversion, output MP3s within 60 minutes.

No account. No email required. No subscription. No watermarks. No file count limits. No fine print. We're supported by non-intrusive advertising, which keeps the service genuinely free for everyone.

We also write honest educational content about audio formats, bitrates, and encoding — not SEO-stuffed filler, but content we'd actually want to read.

Our Values

What we stand for

Privacy First
Your files are processed in isolated temporary directories and permanently deleted the moment conversion completes. We never read, analyze, or retain file content. Zero exceptions.
Professional Grade
We use FFmpeg with the LAME encoder — the same toolchain trusted by major streaming platforms, broadcast networks, and recording studios worldwide. Not browser-based, not gimmicky.
Radically Transparent
No dark patterns. No hidden upsells. No email capture. We tell you exactly what happens to your files, how the tech works, and why we built it this way. What you see is what you get.
Built for Everyone
Podcasters, students, musicians, content creators, developers — our tool is designed to work flawlessly on any device with no installation, no account, and no technical knowledge required.
Technology

Built on proven, open-source infrastructure

01
FFmpeg
Industry-standard media processing engine, the same used by Netflix, YouTube, and BBC.
02
LAME Encoder
The gold-standard MP3 encoder with 25+ years of refinement. Produces the best possible MP3 output at any bitrate.
03
Node.js + Express
Fast, lightweight server that handles file uploads, processing queues, and real-time SSE progress streams.
04
Next.js
React framework ensuring fast page loads, SSR for SEO, and a smooth single-page experience.
05
TLS 1.3
All file transfers use the latest TLS standard. Your upload is encrypted end-to-end from browser to server.
06
Auto-deletion Jobs
Scheduled cleanup routines delete converted files after 60 minutes — no manual action needed.
Trust & Safety

Our commitments to you

Files deleted immediately after conversion
Output MP3s auto-removed within 60 minutes
No file content ever logged or retained
TLS 1.3 encryption on every upload
No account or email required
No tracking of file content or metadata
UUID-based file paths prevent enumeration
Rate limiting prevents abuse
CORS and security headers enforced
Server logs contain timestamps only
100% free — no hidden paywalls
No malware or bundled software

Ready to convert?

Drop your video, pick a bitrate, get your MP3. No signup, no waiting, no nonsense.

Free forever · Files auto-deleted · No signup required