Aspect ratio converter
SwiftyClip renders at these exact target sizes. Everything up-samples or down-samples from your source to the target, with a face-tracked crop to keep the subject centered.
Source → target dimensions
| Source | 9:16 | 1:1 | 16:9 | 4:5 |
|---|---|---|---|---|
| 1080p (1920×1080) | 1080×1920 | 1080×1080 | 1920×1080 | 1080×1350 |
| 1440p (2560×1440) | 1080×1920 | 1080×1080 | 1920×1080 | 1080×1350 |
| 4K (3840×2160) | 1080×1920 | 1080×1080 | 1920×1080 | 1080×1350 |
| iPhone 15 Pro vertical (1920×1080) | 1080×1920 (native) | 1080×1080 | 1920×1080 (letterbox) | 1080×1350 |
| Riverside 4K horizontal (3840×2160) | 1080×1920 | 1080×1080 | 1920×1080 | 1080×1350 |
Platform recommendations
TikTok9:16
1080×1920
Instagram Reels9:16
1080×1920
YouTube Shorts9:16
1080×1920
Instagram Feed1:1 or 4:5
1080×1080 or 1080×1350
YouTube (long-form)16:9
1920×1080 or 3840×2160
X / Twitter16:9
1280×720
LinkedIn1:1 or 16:9
1080×1080 or 1920×1080
Threads9:16
1080×1920
Want to render in all three ratios at once? Multi-aspect export ships in SwiftyClip v1.0.3. One click renders 9:16 + 1:1 + 16:9 with a separate face-tracked crop per ratio.