Convert MP1 to MP4 Online — Free
Fast, free MP1 to MP4 converter. No registration required.
Secure Transfer
HTTPS encrypted uploads
Privacy First
Files auto-deleted after processing
No Registration
Start converting instantly
Works Everywhere
Any browser, any device
How to Convert
Upload your .mp1 file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .mp4 file when it's ready.
What is MP1?
MP1 (MPEG Audio Layer 1) is the earliest MPEG audio compression standard. It provides CD-quality audio at higher bitrates than MP2/MP3 and is found in some legacy professional audio systems.
Format Details
- Full Name
- MPEG Audio Layer 1
- Extension
- .mp1
Key Features
- Early MPEG standard
- CD-quality audio
- Low complexity
- Legacy format
What is MP4?
MP4 is the most widely used video container format. It stores video, audio, subtitles, and metadata. Compatible with virtually every device and platform, from smartphones to smart TVs.
Format Details
- Full Name
- MPEG-4 Part 14
- Extension
- .mp4
Key Features
- Universal compatibility
- Streaming support
- Small file sizes
- Hardware-accelerated playback
MP1 vs MP4
| Feature | MP1 | MP4 |
|---|---|---|
| Full Name | MPEG Audio Layer 1 | MPEG-4 Part 14 |
| Extension | .mp1 | .mp4 |
| Best For | Early MPEG standard | Universal compatibility |