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Supports: MOV
This walkthrough is for anyone with a QuickTime MOV file that a DVD authoring suite, set-top box, broadcast pipeline, or older non-linear editor refuses to accept and only takes MPEG-1/MPEG-2. By the end you will have an .mpeg file with the right codec, resolution, and audio for a legacy target — and know which settings actually matter. (Looking for a side-by-side format breakdown instead of a how-to? See MOV to MPG — ".mpeg" and ".mpg" are the same MPEG program stream, so that page applies here too.)
.mpeg output here.The three settings that decide whether your MPEG plays on the destination are Video Codec, Video Resolution, and Audio Codec. Match them to where the file is going rather than guessing:
If you want the file smaller rather than maximally compatible, MPEG is the wrong target — see "When This Doesn't Work" below.
A few situations fall outside a simple MOV-to-MPEG re-encode. If your MOV is DRM-protected (for example, purchased iTunes content), it cannot be transcoded. If the file is corrupted or only partially downloaded, the conversion may fail or produce a truncated clip — try re-exporting the source first. And if your real goal is a smaller, modern, shareable file rather than legacy compatibility, MPEG is the wrong destination: convert MOV to MP4 for an efficient H.264 file, or use Compress MOV to shrink it without changing the container. To go the other direction and bring a finished MPEG back to a modern format, use MPEG to MP4.
Choose MPEG-2 for almost everything: it is the codec DVD-Video and digital broadcast are built on (ISO/IEC 13818), supports interlaced video, and handles higher bitrates — DVD peaks at 9.8 Mbit/s. Reserve MPEG-1 (ISO/IEC 11172, capped around 1.5 Mbit/s and progressive-only) for Video CD-style targets or old players that specifically require it. MPEG-2 hardware can usually decode MPEG-1 as well, so MPEG-2 is the safer default.
Because MPEG-2 is a less efficient codec than the H.264 or HEVC typically inside a MOV. To match the same visual quality, MPEG-2 needs a higher bitrate, so the output often grows rather than shrinks. That is a property of the format, not a mistake — if a smaller file is the goal, convert MOV to MP4 instead of MPEG.
Switch the Audio Codec to AC3 (Dolby Digital) or MP2 and reconvert. Most MOV files carry AAC audio, which many standalone DVD players and set-top boxes cannot decode, even though the video plays fine. AC-3 and MP2 are the audio formats DVD-Video and legacy MPEG hardware expect.
DVD-Video is strict about frame size. Use 480p (720x480) for NTSC regions (North America, Japan) or 576p (720x576) for PAL regions (most of Europe, Australia). Set this under Video Resolution before converting; if you leave a 1080p or 4K frame in place, DVD authoring tools will reject the file.
They are the same MPEG program stream carrying MPEG-1 or MPEG-2 video — ".mpeg" and ".mpg" are interchangeable spellings, and some tools simply prefer one. This page outputs the ".mpeg" extension. If your workflow specifically asks for ".mpg", use MOV to MPG instead; the underlying file is identical.
Some, because this re-encodes from the MOV's modern codec into MPEG-1/2, and any lossy re-encode discards detail. In our testing, a short 1080p H.264 MOV converted to MPEG-2 at the "Very High" preset stayed visually close to the source but produced a noticeably larger file. Dropping the Quality Preset to save space is where blockiness becomes visible, so keep it high unless your target enforces a low bitrate.