The recommended 링크드인 LinkedIn post spec is 1200×627 px (1.91:1). Link and post images 1200×627 (1.91:1). Square 1080×1080 is also supported.
| Platform | Placement | Recommended | Ratio | |
|---|---|---|---|---|
| 인스타그램 | Instagram feed (square) | 1080×1080 | 1:1 | Resize |
| 인스타그램 | Instagram feed (portrait 4:5) | 1080×1350 | 4:5 | Resize |
| 인스타그램 | Instagram feed (landscape 1.91:1) | 1080×566 | 1.91:1 | Resize |
| 인스타그램 | Instagram Story / Reels cover | 1080×1920 | 9:16 | Resize |
| 인스타그램 | Instagram profile picture | 320×320 | 1:1 | Resize |
| 인스타그램 | Instagram ad (feed 1:1) | 1080×1080 | 1:1 | Resize |
| 유튜브 | YouTube thumbnail | 1280×720 | 16:9 | Resize |
| 유튜브 | YouTube channel banner (channel art) | 2560×1440 | 16:9 | Resize |
"Fill" center-crops when the ratio differs. "Fit" pads with the chosen color. "Fit width" keeps the height ratio, for detail pages.
Drag the preview of a "Fill" result to move the crop.
JPG, PNG or WebP, quality 50–100. Each result card shows size and weight.
Select several files to convert them to the same spec and download with "Save all".
1200×627 px, ratio 1.91:1. Link and post images 1200×627 (1.91:1). Square 1080×1080 is also supported.
Choose "Fit (padding)" to avoid cropping; with "Fill" you can drag the preview to move the crop.
Upscaling beyond the original blurs. Use the largest original you have; when downsizing, quality 90+ is visually lossless.