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How-To Guide

How to Convert MPG to MP4

MPG files (MPEG-1 and MPEG-2) were the standard for DVDs, VCDs, and early digital video. Modern devices often struggle to play them natively. Converting MPG to MP4 (H.264) gives you playback on every device. A DVD-quality MPG usually shrinks too, because H.264 needs far less bitrate than MPEG-2 for the same picture; a small, low-bitrate MPG can come out bigger.

See what FormatDrop converts
FormatDrop doesn't convert MPG to MP4 yet. The methods below use free tools that do. FormatDrop's own converters cover common image, audio, video and PDF formats, all in your browser.

Free tools for MPG to MP4

  1. 1

    HandBrake (free, Windows, Mac and Linux)

    Open HandBrake, click Open Source and select the .mpg file. Pick the 'Fast 1080p30' preset; it keeps DVD-sized video at its own size. Check that Format says MP4 and click Start Encode.

  2. 2

    VLC (free, all platforms)

    Open VLC → Media → Convert/Save (on a Mac: File → Convert / Stream) → add the MPG → Convert/Save → Profile: Video - H.264 + MP3 (MP4) → choose where to save → Start. Fine for the odd file; HandBrake gives more control.

  3. 3

    FFmpeg (command line)

    ffmpeg -i input.mpg -c:v libx264 -crf 20 -c:a aac -b:a 192k output.mp4. Add -preset slow for a smaller file at the same quality. If the video is interlaced, as DVD and TV recordings often are, add -vf yadif to remove the comb lines.

  4. 4

    Check the result

    Play the MP4 before deleting the MPG. Look at fast motion for comb-like lines, a sign of interlacing, and check that the sound stays in sync.

Why convert MPG to MP4?

MPG was the video format of the DVD era — ubiquitous but locked to an aging codec. Converting to MP4/H.264 makes your old video library universally playable and storage-efficient without visible quality loss.

Frequently asked questions

Will I lose quality converting MPG to MP4?
Converting MPG to MP4 re-encodes the video, so some generation loss occurs. At CRF 18 the result is visually lossless — indistinguishable from the source on a normal screen. DVD-source MPG is already lossy MPEG-2, so you're not degrading from a lossless master.
How do I convert MPG to MP4 with FFmpeg?
`ffmpeg -i input.mpg -c:v libx264 -crf 20 -c:a aac -b:a 192k output.mp4`. Add `-preset slow` for better compression at the same quality.
My MPG file has no audio after converting — why?
First check that the source has sound: `ffprobe input.mpg 2>&1 | grep Audio`. FFmpeg reads the MP2, AC-3 and LPCM audio found in MPG files, so if a track is listed, `-c:a aac` keeps it. Some MPG files, such as CCTV exports and screen captures, simply have no audio track.
Can I convert an entire DVD folder (VIDEO_TS) to MP4?
Yes. Point FFmpeg at the main VOB: `ffmpeg -i concat:VTS_01_1.VOB\|VTS_01_2.VOB -c:v libx264 -crf 20 -c:a aac output.mp4`. HandBrake offers a GUI for ripping whole DVDs to MP4 with chapter and subtitle handling.
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