MP4 to MPG Converter
Need to convert this file type? Drop it below — or drop any other file and we'll auto-switch. Outputs are auto-deleted after 2 hours; share links expire after 4.
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Convert MP4 to MPG online
Use this MP4 to MPG converter to turn MP4 files into MPG right in your browser — ideal for playback, streaming and sharing.
When should you convert MP4 to MPG?
- When you need it for playback
- When you need it for streaming
- To open your files in apps that prefer MPG
- To share MPG files more easily
What happens to your file
MP4 to MPG is a full re-encode, not a container swap: the video is decoded and re-compressed with MPEG-2 at qscale 5, and the audio is re-encoded to MP2 at 192 kbps. MPG and MPEG are the same thing here — the same MPEG-2 video and MP2 audio, just a different extension.
Settings this conversion runs with
| Engine | ffmpeg |
|---|---|
| Video codec | MPEG-2 |
| Video quality | qscale 5 |
| Audio codec | MP2 |
| Audio bitrate | 192 kbps |
What changes
- The MP4 picture is decoded and re-compressed with MPEG-2, so this is a generation loss: the output is built from an already-compressed source, not from the original camera data. Converting MP4 to MPG and back will soften the clip a little more each time.
- Only one video and one audio stream reach the MPG file. Additional audio languages, embedded subtitle tracks, and chapter markers are not carried across.
About MP4 and MPG files
MP4 video
Strengths
- plays almost everywhere
- good quality-to-size
- widely supported
Limitations
- lossy compression
- less flexible than MKV
MPG video
Strengths
- good for moving images
Limitations
- compatibility varies by device
MP4 vs MPG
| Format | MP4 | MPG |
|---|---|---|
| Compression | Lossy | — |
| Transparency | — | — |
| Best for | streaming and sharing, playback on any device | playback, streaming |
Related tools
Frequently asked questions
- Does converting MP4 to MPG re-encode the file?
- MP4 to MPG is a full re-encode, not a container swap: the video is decoded and re-compressed with MPEG-2 at qscale 5, and the audio is re-encoded to MP2 at 192 kbps. MPG and MPEG are the same thing here — the same MPEG-2 video and MP2 audio, just a different extension.
- What should you know before converting MP4 to MPG?
- The MP4 picture is decoded and re-compressed with MPEG-2, so this is a generation loss: the output is built from an already-compressed source, not from the original camera data. Converting MP4 to MPG and back will soften the clip a little more each time.
- Is this MP4 to MPG converter free?
- Yes. You can convert MP4 to MPG online for free, with no account and no watermark.
- Do I need to install software or sign up?
- No. Use the converter from your browser without installing software or creating an account. Files are uploaded to our servers for processing.
- Are my files safe?
- Yes. Files are processed only to complete the conversion and are auto-deleted after 2 hours. We never share them.
- Can I convert multiple MP4 files at once?
- Yes. Drop several files to convert them in a batch and download the results as a single ZIP.