Convert Shockwave Flash (.swf) to iPhone Video (.iphone-video) online for free. Fast, secure video conversion with no watermarks or registration.
Upload your .swf 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.
SWF (Shockwave Flash) is the defunct Adobe multimedia format that was never supported on iPhone — Apple's iOS has never included Flash Player. Converting SWF to iPhone-optimized video re-encodes Flash content using H.264 settings specifically tuned for the iPhone's hardware video decoder, producing smooth, battery-efficient playback on all iPhone models.
The iPhone's exclusion of Flash was the catalyst for Flash's eventual demise. Now, with Flash discontinued entirely, this conversion is the definitive solution for viewing any Flash content on iPhone — from Flash animations and games to educational modules and web presentations.
iPhone has the largest installed base of any smartphone platform in many markets. Flash content that needs to reach iPhone users — training videos, archived animations, educational materials — must be converted to iPhone-compatible video. There is no alternative; Flash has never run and will never run on iPhone.
The iPhone's hardware video decoder is optimized for specific H.264 profiles and levels. An iPhone-optimized conversion matches these hardware parameters exactly, ensuring smooth playback at the lowest possible battery consumption. Generic MP4 files may work but can force software decoding, which drains battery faster and may drop frames on older iPhone models.
The conversion engine uses FFmpeg to decode SWF content and re-encode with iPhone-optimized settings: H.264 Baseline Profile Level 3.1 for older iPhones or Main Profile Level 4.1 for iPhone 5 and later, AAC-LC audio at 128 kbps, MP4 container with faststart. Resolution is capped at 1920x1080. The output plays natively in the Photos app, Safari, and all iOS media players.
Output quality reflects the source SWF content fidelity. Flash video and animations are captured at their native resolution and frame rate. H.264 encoding produces clean video at efficient file sizes. Audio is preserved through AAC encoding. Interactive Flash elements are not captured — only timeline-based playback content is converted.
| Device | SWF | iPhone Video |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser |
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
SWF to iPhone video conversion makes Flash content viewable on the platform that never supported Flash, using hardware-optimized encoding for smooth, efficient playback.
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Mọi trình duyệt, mọi thiết bị
| Tính năng | SWF | iPhone Video |
|---|---|---|
| Tên đầy đủ | Shockwave Flash | iPhone Compatible Video |
| Phần mở rộng | .swf | .mp4 |
| Phù hợp nhất cho | Flash format | iPhone optimized |