Convert MPEG Video (.mpeg) to Audio Video Interleave (.avi) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
Upload your .mpeg 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.
MPEG and AVI are both veterans of the digital video era, but they serve different purposes. MPEG files use MPEG-1 or MPEG-2 video compression with MPEG Audio Layer 2, optimized for sequential playback from discs and broadcasts. AVI (Audio Video Interleave), developed by Microsoft in 1992, is a flexible container that supports virtually any codec combination and offers frame-accurate seeking. Converting MPEG to AVI swaps the transport-oriented MPEG container for an editing-friendly one.
Certain video editing applications — particularly older versions of Windows Movie Maker, VirtualDub, and some industrial video systems — work exclusively or most reliably with AVI files. MPEG's transport stream structure, designed for continuous playback, can cause seeking issues and timeline inaccuracies in editors that expect AVI's indexed frame structure.
AVI also supports uncompressed video and lossless codecs like HuffYUV and Lagarith, making MPEG-to-AVI conversion valuable when you need an intermediate editing format. Industrial automation systems, scientific imaging software, and legacy broadcast production tools often mandate AVI input as well.
FFmpeg remuxes or transcodes the MPEG content into an AVI container. For a simple container swap preserving MPEG-2 video: `-c:v copy -c:a copy -f avi`. For re-encoding to a more edit-friendly codec: `-c:v libx264 -crf 18 -c:a pcm_s16le`. For uncompressed intermediate: `-c:v rawvideo -pix_fmt yuv420p -c:a pcm_s16le`. AVI does not support B-frames natively, so MPEG-2 streams with B-frames require transcoding.
If the video stream is copied without re-encoding, quality is preserved exactly. When transcoding to H.264 or DivX, quality depends on the target bitrate or CRF value. Using CRF 18 with libx264 produces visually lossless output. Uncompressed AVI preserves every pixel at the cost of massive file sizes (approximately 1.5 GB per minute for 720x480).
| Device | MPEG | AVI |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
MPEG to AVI conversion gives you an editing-optimized container with flexible codec support, enabling frame-accurate manipulation of legacy video content in tools that demand the AVI format.
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ใช้ได้ทุกที่
| No |
ทุกเบราว์เซอร์ ทุกอุปกรณ์
| ฟีเจอร์ | MPEG | AVI |
|---|---|---|
| ชื่อเต็ม | Moving Picture Experts Group | Audio Video Interleave |
| นามสกุล | .mpeg | .avi |
| เหมาะที่สุดสำหรับ | Universal support | Windows native |