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Supports: MOV
MOV is Apple's QuickTime container, usually holding modern H.264 or HEVC video. MPG is an MPEG-1 or MPEG-2 program stream — an older, less efficient format that legacy DVD authoring tools, hardware DVD players, and ageing editors still expect. Convert MOV to MPG only when a specific device or workflow needs MPEG-1/2; if you just want a smaller, modern file, MOV (or MP4) is the better target. This conversion re-encodes the video, so keep the Quality Preset high to limit the quality loss.
| Property | MOV (QuickTime) | MPG (MPEG-1 / MPEG-2 program stream) |
|---|---|---|
| Introduced | 1991 (QuickTime) | MPEG-1: early 1990s; MPEG-2: 1995 |
| Typical video codec | H.264, HEVC, ProRes | MPEG-1 Part 2, MPEG-2 Part 2 (H.262) |
| Compression efficiency | High (H.264 targets MPEG-2 quality at ~half the bitrate) | Lower — MPEG-2 needs more bits for the same quality |
| File size at similar quality | Smaller | Often larger |
| DVD-Video authoring | Not directly usable | Native (DVD uses MPEG-2) |
| Hardware DVD / legacy player support | Limited | Broad |
| Browser playback | Safari (H.264 widely; HEVC limited) | Safari only for MPEG-1/2; no Chrome/Firefox/Edge support |
| Best for | Apple workflows, editing, modern sharing | Legacy editors, DVD authoring, old hardware |
Match your output settings to the disc or player you are feeding, so authoring software accepts the stream without a second re-encode.
| Target | Video codec | Resolution | Max video bitrate | Frame rate |
|---|---|---|---|---|
| DVD-Video (NTSC) | MPEG-2 | 720×480 | ≤9.8 Mbit/s | 29.97 fps |
| DVD-Video (PAL) | MPEG-2 | 720×576 | ≤9.8 Mbit/s | 25 fps |
| SVCD | MPEG-2 | 480×480 / 480×576 | ~2,376 kbps | 29.97 / 25 fps |
| Video CD (VCD) | MPEG-1 | 352×240 / 352×288 | ~1,150 kbps | 29.97 / 25 fps |
Compatibility, not compression. MPEG-1/MPEG-2 is the codec family DVD-Video is built on and the format legacy DVD players, set-top boxes, and older editors reliably accept. If your only goal is a smaller file, stay on MOV or convert to MP4 — but if a disc-authoring tool or old hardware demands MPEG, the larger MPG is the price of getting it to play. If you later need to bring that MPG back to a modern format, convert MPG to MP4.
Some, yes. MOV-to-MPG re-encodes the video from H.264/HEVC into MPEG-1 or MPEG-2, and any lossy re-encode discards a little detail. Because MPEG-2 is less efficient than H.264, you generally need a higher bitrate just to break even. Keeping the Quality Preset on "Very High" or "Highest" minimizes the visible loss; dropping it to save space is where blockiness creeps in.
Effectively yes — ".mpg" and ".mpeg" are interchangeable extensions for an MPEG program stream carrying MPEG-1 or MPEG-2 video. Some players and tools prefer one spelling, but the underlying container and codecs are the same. If a workflow specifically asks for ".mpeg", you can convert MOV to that extension instead.
Pick MPEG-2 for almost everything modern-legacy: it is the DVD-Video codec, supports higher bitrates and interlaced video, and looks noticeably better than MPEG-1 above standard-definition bitrates. MPEG-1 caps out around 1.5 Mbps and is mainly useful for very old players or Video CD-style targets that explicitly require it.
MPEG-2 does — it is used for HD broadcast (1080i/720p) at high bitrates. But MPG is most often used for standard-definition, DVD-bound content at 720x480 or 720x576, because that is what DVD players and legacy hardware expect. If your destination is a DVD, downscale to those dimensions; HD frames will not fit the DVD-Video spec.
It depends on the source bitrate and the Quality Preset, but expect growth rather than shrinkage. MPEG-2 is a 1994-era codec with no B-pyramid, no CABAC and a far weaker motion model than H.264, so it has to spend more bits to hold the same amount of detail — re-encoding a 1080p H.264 MOV at a high preset generally lands larger than the source. Lower the preset and the gap closes, but so does the picture quality.
Match your region's DVD-Video standard: 29.97 fps for NTSC (North America, Japan) or 25 fps for PAL (most of Europe, Australia). A hardware DVD player expects one of those, so feeding it an off-spec rate like 60 fps can cause judder or rejection during authoring. This page has no frame-rate control, though — the MPG inherits whatever rate your MOV was shot at, so conform the rate in your editor or authoring suite before or after this step. What you can set here is the frame size: pick Width x Height under Video resolution and enter 720 × 480 in Pixels for NTSC or 720 × 576 for PAL, so at least the frame geometry is DVD-compliant.
Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after your conversion finishes — no sign-up, no watermark, and your files are never shared or made public. For very large videos, the main constraint you will notice is upload time rather than the conversion itself.