Resize an image to 100 × 100 px.
Drop your photos and download them at exactly 100 × 100 pixels. Each photo is fitted inside that size and padded, so the product is never cut. It runs in your browser; nothing is uploaded.
Choose the size.
Sizes come from each marketplace's own help pages, summarised in the guides (checked 24 September 2026).
Who asks for 100 × 100 px.
Lines from Herofab's platform guides that name 100 × 100 px, whether as a recommendation, a minimum or a limit. Each row links to the guide and its official source.
| Platform | Rule | What the guide says | Read |
|---|---|---|---|
| Walmart | Swatch images | 100 × 100 pixels | 10 October 2026 |
| WooCommerce | Resizing | WooCommerce generates the display sizes from the upload; in classic themes the single product image defaults to 600 pixels wide, catalogue thumbnails to 300 pixels wide and gallery thumbnails to 100 × 100 pixels | 11 October 2026 |
| Nextdoor Ads | Logo | 100 × 100 pixels, cropped circular | 12 October 2026 |
From a phone photo to 100 × 100 px.
Common 12-megapixel phone photo shapes fitted inside 100 × 100 px: how much each is scaled, the area the photo fills and the padding added on each side (↔ left + right, ↕ top + bottom). The tool above uses the same calculation.
| Phone photo | Scale | Photo area | Padding |
|---|---|---|---|
| 4,032 × 3,024 · 4:3 | 2.5% | 100 × 75 px | ↕ 13 + 12 px |
| 3,024 × 4,032 · 3:4 | 2.5% | 75 × 100 px | ↔ 13 + 12 px |
| 4,032 × 2,268 · 16:9 | 2.5% | 100 × 56 px | ↕ 22 + 22 px |
| 2,268 × 4,032 · 9:16 | 2.5% | 56 × 100 px | ↔ 22 + 22 px |
| 3,024 × 3,024 · 1:1 | 3.3% | 100 × 100 px | — |
100 × 100 px in numbers.
- Aspect ratio
- 1:1
- Megapixels
- 0.01
- Print size at 300 dpi
- 0.8 × 0.8 cm · 0.33 × 0.33 in
Other sizes.
100 × 100 px, answered.
Which platforms ask for 100 × 100 px?
Walmart, WooCommerce, and Nextdoor Ads. The table on this page gives each rule in full and links to the platform's guide.
What aspect ratio is 100 × 100 px?
1:1. The image has 0.01 megapixels and prints at 0.8 × 0.8 cm (0.33 × 0.33 in) at 300 dpi.
Is the product cropped when resizing for 100 × 100 px?
No. The photo is scaled to fit inside the target size and the remaining space is filled with the padding colour, so the whole product stays in frame.
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