MPG is the legacy video format using MPEG-1 (Video CD, 352x240 at 1.5 Mbps) or MPEG-2 (DVD, up to 1920x1080) compression with MP2 audio. MP4 (MPEG-4 Part 14) is the universal modern video container using H.264 or H.265 video with AAC audio — the standard format for web, mobile, and streaming. Converting MPG to MP4 is one of the most common video conversions, modernizing legacy disc and broadcast content for universal playback on every modern device and platform.

MP4 with H.264 is the single most compatible video format in existence — supported by every modern phone, tablet, computer, smart TV, web browser, and streaming platform. MPEG-1/2 in MPG containers has limited and declining device support. H.264 also provides roughly 2x better compression than MPEG-2, meaning your DVD rips will be half the size at the same visual quality. This is the essential upgrade for any legacy video collection.

FFmpeg decodes MPEG-1/2 video and MP2 audio from the MPG container, deinterlaces if needed, and re-encodes to H.264 (or H.265 for maximum compression) with AAC audio in the MP4 container. H.264 achieves comparable visual quality to MPEG-2 at roughly half the bitrate — a 5 Mbps MPEG-2 DVD stream produces equivalent quality at 2.5-3 Mbps H.264. The output uses faststart atom placement for instant web and mobile playback.

Resolution: 1920x1080

Bitrate: 8-12 Mbps

H.264 recommended for fast processing

Resolution: 1080x1080

Bitrate: 3.5 Mbps

Square or 9:16 for Reels

Resolution: 1080x1920

Bitrate: 4 Mbps

9:16 vertical, under 60s ideal

Resolution: 1280x720

Bitrate: 5 Mbps

Under 140s, 512MB max

Resolution: 960x540

Bitrate: 2 Mbps

16MB limit for standard, 64MB for document

Resolution: 1280x720

Bitrate: 4 Mbps

8MB free, 50MB Nitro

Typically 40-60% smaller at equivalent visual quality. A 4.5 GB DVD rip often produces a 1.5-2.5 GB MP4 that looks just as good.

H.264 for maximum compatibility (plays everywhere). H.265 for maximum compression (30-40% smaller than H.264 but requires newer devices/software).

Yes. Interlaced MPEG-2 is automatically deinterlaced during conversion, producing clean progressive frames for modern displays.

CRF 18-20 for near-visually-lossless quality, CRF 23 (default) for a good balance, CRF 28 for smaller files with acceptable quality loss. Lower numbers = better quality, larger files.

DVD subtitles (VobSub bitmaps) can be burned into the video or carried as soft subtitles. Text-based subtitles (SRT) can be embedded in MP4's subtitle track.

Yes. MP4 with H.264+AAC is YouTube's recommended upload format. No further conversion is needed.

Device	MPG	MP4
Windows PC	Partial	Native
macOS	Partial	Native
iPhone/iPad	Partial	Native
Android	Partial	Native
Linux	Partial	Native
Web Browser	No	Native

Funktion	MPG	MP4
Fullstandigt namn	MPEG Video	MPEG-4 Part 14
Filandelse	.mpg	.mp4
Bast for	Universal support	Universal compatibility

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