MPG vs WMA
A detailed comparison of MPEG Video (short) and Windows Media Audio — file size, quality, compatibility, and which format to choose for your workflow.
MPEG Video (short)
Video FilesMPG is a short extension for MPEG video files, commonly used for MPEG-1 and MPEG-2 video content.
About MPG filesWindows Media Audio
Audio FilesWMA is a proprietary Microsoft audio format from the Windows Media framework. Once common in the Windows ecosystem, it has been largely replaced by AAC and MP3 for general use.
About WMA filesStrengths Comparison
MPG Strengths
- Universal legacy support.
- Trivially rewrappable to .mp4 without re-encoding.
- Low decoding overhead.
WMA Strengths
- Good quality at low bitrates (32-64 kbps) — outperformed MP3 in that range.
- Native playback on every Windows version 2000 through 10.
- Lossless variant available (WMA Lossless) for archiving.
- Supports multichannel 5.1 surround audio.
Limitations
MPG Limitations
- Aging codec — larger files than modern alternatives.
- No HDR, no modern audio, no modern subtitles.
- Mostly legacy — not used for new production.
WMA Limitations
- Proprietary — poor support outside Windows and Windows Media Player.
- DRM variants made files brittle — many purchased tracks became unplayable when stores shut down.
- Ecosystem abandoned — no modern editors, hardware decoders, or streaming services use WMA.
- Windows 11 deprecated Windows Media Player entirely.
Technical Specifications
| Specification | MPG | WMA |
|---|---|---|
| MIME types | video/mpeg | — |
| Extensions | .mpg | — |
| Container | MPEG Program Stream | ASF (Advanced Systems Format) |
| Codecs | MPEG-1 or MPEG-2 video + MP1/MP2 audio | — |
| MIME type | — | audio/x-ms-wma |
| Extension | — | .wma |
| Variants | — | WMA Standard, WMA Pro, WMA Lossless, WMA Voice |
| Max bitrate | — | 768 kbps (WMA Pro) |
Typical File Sizes
MPG
- 5-min camcorder clip (MPEG-2) 40-60 MB
- 2-hour DVD rip 4-7 GB
WMA
- 3-min song (128 kbps) 3 MB
- 3-min song (Lossless) 25-35 MB
- 1-hour talk (64 kbps) 28 MB
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Frequently Asked Questions
MPG (MPEG Video (short)) is a video container format that bundles one or more video streams, audio tracks, and optional subtitles into a single file. The container format determines how metadata is organised and which codecs can live inside; the visual quality itself depends on the codec (H.264, H.265, VP9, AV1) rather than the MPG wrapper. It is part of the video files family.
WMA (Windows Media Audio) is an audio file format used to store sound recordings — music, voice, podcasts, sound effects. The format defines how the audio samples are compressed (or stored raw), what bitrates are supported, and how metadata such as title, artist, album, and cover art is embedded. It is part of the audio files family.
VLC, MPV and PotPlayer play nearly every MPG file on desktop. Browser support varies: modern Chromium, Firefox and Safari play common containers via the HTML5 <video> tag, but niche MPG variants may fail. If a device refuses your MPG, convert to MP4 with our MPG to MP4 converter for universal playback.
VLC, foobar2000, and the default media players on Windows and macOS handle WMA natively. On mobile, iOS Music and Android media apps vary in their support — popular formats work everywhere; niche ones may need a dedicated app. If playback fails on a device, converting to MP3 or AAC usually solves it.
Upload your MPG to KaijuConverter and pick MP4, MOV, MKV, WebM, or any other target. Our pipeline uses FFmpeg under the hood and stream-copies when codecs are compatible (no quality loss) or transcodes at high-quality defaults otherwise. Conversion runs server-side; both files delete within two hours.
Only when the target requires re-encoding. If the codecs inside MPG match what the target container supports, FFmpeg stream-copies the streams and the output is bit-identical to the source. Transcoding uses transparent quality defaults (CRF 20–23 H.264) and produces output indistinguishable from the original at normal viewing distance.