Marketplace image rules: South Korea.
Local marketplaces and their product image rules side by side: size, file limits and formats, each summarised from the marketplace's own page, with a free check for each. Open a marketplace for its full guide.
With Herofab Image size checker
Local marketplaces, side by side.
| Marketplace | At a glance | Free check | Herofab download size | Source |
|---|---|---|---|---|
| Coupang | Square JPG or PNG, 1,000 × 1,000 pixels recommended; main image shows only the product on white; up to 9 additional images. | Background colour and square format | — | Official page |
| Naver Smart Store | Naver Smart Store product images: 1,000 × 1,000 pixels recommended, still JPG, JPEG, GIF, PNG or BMP files, 20 MB at most per image. | Image size checker | — | Official page |
The figures, as published.
| Marketplace | File-size limit | Format | AI images | Read on |
|---|---|---|---|---|
| Coupang | 10 MB | JPEG · PNG | — | 11 October 2026 |
| Naver Smart Store | 20 MB | JPEG · GIF · PNG · BMP | — | 12 October 2026 |
— No rule found
Main image
- Coupang
- White background
Square image, width equal to heightSource: Coupang Marketplace Seller Academy — 상품 등록 가이드; Coupang Developers — 상품 생성 API · checked 11 October 2026
Ready before you list.
- Product photo checker
- Coupang
- Marketplace image resizer
- Coupang · 1,000 × 1,000 px
Naver Smart Store · 1,000 × 1,000 px - Image compressor
- Coupang · 10 MB
Beyond one country.
Guides for marketplaces that are not tied to a single country. Each guide links to the marketplace's own page.
Worldwide
South Korea, answered.
Can I check my images before uploading?
Yes. The free image size checker reads each file in your browser and tests it against these rules; the image is not uploaded.
Where do these figures come from?
From each marketplace's own seller pages, linked in the table above; every guide shows the day its rules were read. Marketplaces update their rules; the official page is the final reference.
Your next collection, shot this week.
20 credits at sign-up, no card required. Images made with free credits carry a watermark.