The recommended 구글 광고 Google Display ad (landscape) spec is 1200×628 px (1.91:1). Responsive display ads: landscape 1200×628 (1.91:1), square 1200×1200, logo 1200×1200. Under 5MB.
| 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".
1200×628 px, ratio 1.91:1. Responsive display ads: landscape 1200×628 (1.91:1), square 1200×1200, logo 1200×1200. Under 5MB.
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.