AVI's legacy codecs (DivX, XviD, MJPEG) are not supported by the hardware video decoders in most smartphones. Mobile Video format targets the common denominator across Android and iOS: H.264 Baseline Profile with AAC-LC audio in an MP4 container. This combination is hardware-decoded on virtually every smartphone sold since 2010, from budget Android phones to the latest iPhones. Converting AVI to Mobile Video produces a universally playable file optimized for mobile screen sizes and bandwidth constraints.

When you need a single video file that plays on any smartphone — regardless of brand, operating system, or model year — Mobile Video format is the safe choice. It avoids the DivX/XviD incompatibility issues that plague AVI on mobile devices, and uses conservative encoding settings (Baseline Profile) that even the oldest smartphones can hardware-decode efficiently.

FFmpeg transcodes the AVI to H.264 Baseline Profile Level 3.0 (maximum compatibility with 2010+ smartphones) with AAC-LC audio at 128 kbps stereo. Resolution is capped at 720p (1280x720) to match the sweet spot for most mobile screens. Video bitrate is set to 2–3 Mbps for a good balance of quality and file size. The output is an MP4 with faststart flag for progressive 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

720p (1280x720) is the best balance of quality and file size for phones. 480p suffices for 4-inch screens. 1080p is only beneficial on large-screen phones (6.5 inches+).

Yes. H.264 Baseline in MP4 with AAC audio is the one format guaranteed to work on both platforms via native hardware decoding.

Baseline Profile removes advanced features (B-frames, CABAC) that some older or budget smartphones cannot hardware-decode. It guarantees compatibility at the cost of slightly larger files.

Yes. WhatsApp supports H.264/MP4. Keep the file under 16 MB for inline sending (64 MB as a document attachment). A 3-minute 720p video at 2 Mbps is roughly 45 MB.

No. Mobile Video uses SDR (Standard Dynamic Range) with H.264 Baseline, which does not support HDR metadata. HDR requires HEVC or VP9 on compatible devices.

Device	AVI	Mobile Video
Windows PC	Native	Partial
macOS	Partial	Partial
iPhone/iPad	Partial	Partial
Android	Partial	Partial
Linux	Partial	Partial
Web Browser	No	No

Feature	AVI	Mobile Video
Full Name	Audio Video Interleave	Mobile Device Video
Extension	.avi	.mp4
Best For	Windows native	Universal mobile

Convert AVI to Mobile Video — Free Online Converter

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