Convert MPG to AVI — Free Online Converter
Convert MPEG Video (.mpg) to Audio Video Interleave (.avi) online for free. Fast, secure video conversion with no watermarks or registration....
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Sådan konverterer du
Upload your .mpg 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 .avi file when it's ready.
About MPG to AVI Conversion
MPG and AVI are both legacy video formats from the 1990s, but they use different container structures and codec ecosystems. MPG wraps MPEG-1/MPEG-2 video with MP2 audio in an MPEG program stream, while AVI (Audio Video Interleave) uses Microsoft's RIFF container to interleave audio and video chunks. Converting MPG to AVI repackages the content for the Windows ecosystem, making it compatible with Windows-centric media players, video editors, and hardware devices that prefer the AVI container.
Why Convert MPG to AVI?
Many legacy Windows applications, video editors (Windows Movie Maker, early VirtualDub), and hardware devices (DVD players with USB, older car entertainment systems) specifically require AVI format. If you have MPG recordings from TV capture cards, surveillance systems, or DVD rips that need to work in these Windows-specific environments, converting to AVI ensures compatibility.
Common Use Cases
- Importing TV capture MPG files into Windows Movie Maker for editing
- Playing DVR recordings on older car entertainment systems with USB AVI support
- Converting surveillance camera MPG footage for Windows-based review software
- Preparing broadcast recordings for VirtualDub processing workflows
- Transferring DVD rips to USB drives for playback on older standalone media players
How It Works
FFmpeg reads the MPEG program stream, decodes MPEG-1/2 video and MP2 audio, and re-encodes to MPEG-4 Part 2 (or DivX/Xvid compatible) video with MP3 audio in the AVI container. If the target player supports it, H.264 can be used inside AVI for better compression. The interleave format stores alternating audio and video chunks at configurable intervals, enabling efficient seeking in legacy players.
Quality & Performance
When encoding to MPEG-4 Part 2 (DivX/Xvid), quality is roughly equivalent to the MPEG-2 source at the same bitrate. H.264 inside AVI provides better quality per bit but with reduced player compatibility. MP3 audio at 128-192 kbps is comparable to the original MP2 at the same bitrate.
Device Compatibility
| Device | MPG | AVI |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
Recommended Settings by Platform
YouTube
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
TikTok
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Twitter/X
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Discord
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
Tips for Best Results
- 1Use DivX/Xvid (MPEG-4 Part 2) video codec for the widest AVI player compatibility
- 2If the MPG source is interlaced, deinterlace during conversion for better results on progressive displays
- 3MP3 audio at 128 kbps provides good quality in AVI — matches or exceeds the original MP2 audio at most bitrates
- 4For files over 2 GB, ensure your tool creates OpenDML AVI files to avoid the legacy 2 GB limit
- 5Set the AVI interleave interval to 500 ms for responsive seeking in legacy media players
Related Conversions
MPG to AVI conversion bridges the MPEG and Windows media ecosystems. While both are legacy formats, AVI's wider support in Windows applications and hardware devices makes it the practical choice for Windows-centric workflows.