The recommended Naver Ads Naver GFA feed ad spec is 1200×628 px (1.91:1). Naver performance display (GFA) native image 1200×628; 1:1 is 1080×1080. Text-ratio limits apply.
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| Platform | Placement | Recommended | Ratio | |
|---|---|---|---|---|
| Instagram feed (square) | 1080×1080 | 1:1 | Resize | |
| Instagram feed (portrait 4:5) | 1080×1350 | 4:5 | Resize | |
| Instagram feed (landscape 1.91:1) | 1080×566 | 1.91:1 | Resize | |
| Instagram Story / Reels cover | 1080×1920 | 9:16 | Resize | |
| Instagram profile picture | 320×320 | 1:1 | Resize | |
| Instagram ad (feed 1:1) | 1080×1080 | 1:1 | Resize | |
| YouTube | YouTube thumbnail | 1280×720 | 16:9 | Resize |
| YouTube | 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.
Tick several sizes to get one output per size. Upload several files to convert them all, then download with "Save all".
1200×628 px, ratio 1.91:1. Naver performance display (GFA) native image 1200×628; 1:1 is 1080×1080. Text-ratio limits apply.
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.