Resize photos to 30 specs for Instagram, YouTube, Threads, KakaoTalk, Smart Store, Coupang and OG images.
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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 |
| YouTube | YouTube channel profile | 800×800 | 1:1 | Resize |
| YouTube | YouTube Shorts thumbnail (vertical) | 1080×1920 | 9:16 | Resize |
| Facebook page cover | 820×312 | 2.63:1 | Resize | |
| Facebook post image | 1200×630 | 1.91:1 | Resize | |
| Facebook ad (feed) | 1080×1080 | 1:1 | Resize | |
| Website | OG image (link preview) | 1200×630 | 1.91:1 | Resize |
| Kakao | KakaoTalk Channel profile | 640×640 | 1:1 | Resize |
| Kakao | KakaoTalk Channel message image | 800×800 | 1:1 | Resize |
| Naver | Naver Blog representative image | 1200×1200 | 1:1 | Resize |
| Naver | Naver Smart Store main image | 1000×1000 | 1:1 | Resize |
| Coupang | Coupang main image | 1000×1000 | 1:1 | Resize |
| Marketplace | Product detail page (Smart Store / Coupang) | 860×3000 | 1:3.49 | Resize |
| Card news | Card news (square) | 1080×1080 | 1:1 | Resize |
| LinkedIn post | 1200×627 | 1.91:1 | Resize | |
| X (Twitter) | X (Twitter) post | 1600×900 | 16:9 | Resize |
| X (Twitter) | X (Twitter) header | 1500×500 | 3:1 | Resize |
| Threads | Threads post | 1080×1350 | 4:5 | Resize |
| Threads | Threads post (square) | 1080×1080 | 1:1 | Resize |
| Threads | Threads profile picture | 320×320 | 1:1 | Resize |
| Google Ads | Google Display ad (landscape) | 1200×628 | 1.91:1 | Resize |
| Naver Ads | Naver GFA feed ad | 1200×628 | 1.91:1 | Resize |
| 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.
Tick several sizes to get one output per size. Upload several files to convert them all, then 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. Tick several sizes and each photo is converted once per size. Multiple files work too.