Uploading at the size a platform expects avoids an extra resize on their side — and every extra resize costs sharpness.
Image: Animdock Stock — free to download.
Images
| Where | Size | Ratio |
|---|---|---|
| Instagram feed (portrait) | 1080 × 1350 | 4:5 |
| Instagram square | 1080 × 1080 | 1:1 |
| Instagram / Facebook Story | 1080 × 1920 | 9:16 |
| YouTube thumbnail | 1280 × 720 (under 2 MB) | 16:9 |
| YouTube channel banner | 2560 × 1440 | 16:9 |
| X post image | 1600 × 900 | 16:9 |
| X header | 1500 × 500 | 3:1 |
| Facebook cover | 1640 × 624 | ≈ 2.6:1 |
| LinkedIn banner | 1584 × 396 | 4:1 |
All of these are presets in the Image Compressor & Resizer — pick one, choose Crop to fill or Fit inside, and process a whole batch at once.
Video
| Where | Shape | Recommended |
|---|---|---|
| Reels, TikTok, Shorts | 9:16 | 1080 × 1920, 30 fps |
| Instagram feed video | 4:5 | 1080 × 1350 |
| YouTube | 16:9 | 1920 × 1080 or 3840 × 2160 |
| X / LinkedIn | 16:9 or 1:1 | 1920 × 1080 / 1080 × 1080 |
To reframe a horizontal clip for vertical platforms, open the Video Resizer, set the aspect ratio to 9:16 and watch the red crop frame on the preview.
Image: Animdock Stock — free to download.
Captions matter too: most short-form video is watched without sound. Add them with Audio to SRT.