Convert MPEG-4 Part 14 (.mp4) to iPhone Video (.iphone-video) online for free. Fast, secure video conversion with no watermarks or registration.
Upload your .mp4 file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .mp4 file when it's ready.
MP4 to iPhone Video conversion tailors your MPEG-4 file to the hardware decoder and display characteristics of Apple's iPhone lineup. Every iPhone since the 3GS has included a dedicated H.264 hardware decoder, and optimizing your video for this decoder ensures smooth playback, minimal battery consumption, and compatibility from the oldest supported iPhone to the latest iPhone 16 Pro Max.
Our converter produces H.264 Main or High Profile with AAC-LC audio, resolution-matched to common iPhone display sizes. The output file plays natively in the Photos app, Safari, and all third-party video players on iOS.
iPhones handle MP4 natively, but not all MP4 encodes are equal on iPhone hardware. A 4K120 ProRes file from a RED camera will overheat an iPhone SE. A VP9 WebM will not play at all. AV1-encoded MP4 only works on iPhone 15 and later. The iPhone Video preset restricts encoding parameters to the universally supported subset, ensuring your video works on every iPhone model you might need to target — from enterprise MDM deployments to personal sharing.
Video is encoded as H.264 Main Profile Level 3.1 (for broad compatibility) or High Profile Level 4.1 (for iPhone 5 and later). Resolution targets 1280x720 or 1920x1080 depending on the selected compatibility level. Audio uses AAC-LC at 128-160 kbps stereo. The moov atom is positioned at file start for streaming. Frame rate is 30 fps standard with 60 fps available for iPhone 6 and later. B-frames and CABAC entropy coding are used in High Profile for better compression.
At 1080p with 4-6 Mbps H.264, video looks excellent on iPhone displays up to 6.7 inches. The Super Retina XDR display on modern iPhones renders the output with sharp detail and accurate colors. Hardware decoding ensures consistent frame pacing without jank. Battery impact is minimal compared to software-decoded formats.
| Device | MP4 | iPhone Video |
|---|---|---|
| Windows PC | Native | Partial |
| macOS | Native | Partial |
| iPhone/iPad | Native | Partial |
| Android | Native | Partial |
| Linux | Partial | Partial |
| Web Browser | Native |
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
The iPhone Video preset produces universally compatible output that looks great on every iPhone display. It is the safest choice when you cannot control which iPhone model your audience uses.
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8MB free, 50MB Nitro
Alle nettlesere, alle enheter
| Egenskap | MP4 | iPhone Video |
|---|---|---|
| Fullt navn | MPEG-4 Part 14 | iPhone Compatible Video |
| Filendelse | .mp4 | .mp4 |
| Best egnet for | Universal compatibility | iPhone optimized |