Resize photos to 28 specs for Instagram, YouTube, Facebook, KakaoTalk, Smart Store, Coupang and OG images.
| 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 |
| 유튜브 | YouTube channel profile | 800×800 | 1:1 | Resize |
| 유튜브 | YouTube Shorts thumbnail (vertical) | 1080×1920 | 9:16 | Resize |
| 페이스북 | Facebook page cover | 820×312 | 2.63:1 | Resize |
| 페이스북 | Facebook post image | 1200×630 | 40:21 | Resize |
| 페이스북 | Facebook ad (feed) | 1080×1080 | 1:1 | Resize |
| 웹사이트 | OG image (link preview) | 1200×630 | 40:21 | Resize |
| 카카오 | KakaoTalk Channel profile | 640×640 | 1:1 | Resize |
| 카카오 | KakaoTalk Channel message image | 800×800 | 1:1 | Resize |
| 네이버 | Naver Blog representative image | 1200×1200 | 1:1 | Resize |
| 네이버 | Naver Smart Store main image | 1000×1000 | 1:1 | Resize |
| 쿠팡 | Coupang main image | 1000×1000 | 1:1 | Resize |
| 쇼핑몰 | Product detail page (Smart Store / Coupang) | 860×3000 | 0.29:1 | Resize |
| 카드뉴스 | Card news (square) | 1080×1080 | 1:1 | Resize |
| 링크드인 | LinkedIn post | 1200×627 | 1.91:1 | Resize |
| X(트위터) | X (Twitter) post | 1600×900 | 16:9 | Resize |
| X(트위터) | X (Twitter) header | 1500×500 | 3:1 | Resize |
| 스레드 | Threads post | 1080×1350 | 4:5 | Resize |
| 구글 광고 | Google Display ad (landscape) | 1200×628 | 1.91:1 | Resize |
| 네이버 광고 | Naver GFA feed ad | 1200×628 | 1.91:1 | Resize |
| 이메일 | Email newsletter header | 600×200 | 3:1 | Resize |
Based on each platform's official guide (as of 2026-08).
"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".
Square feed 1080×1080, portrait 1080×1350 (4:5), Stories/Reels 1080×1920 (9:16). 4:5 shows largest in the feed.
1280×720 (16:9), under 2MB. The channel banner is 2560×1440 with a 1546×423 safe area.
og:image 1200×630 (1.91:1). After resizing, verify the card with the OG Tag Preview tool.
Yes — select multiple files; they are converted to the same spec and downloaded with "Save all".