---
title: "Resize image to 640 × 640 px — free, no cropping | Herofab"
description: "Resize photos to exactly 640 × 640 pixels in your browser. The whole product stays in frame, padded and never cropped. Free; nothing is uploaded."
url: https://herofab.app/tools/resize-image-to-640x640
language: en
updated: 2026-11-06
---

# Resize an image to 640 × 640 px.

Drop your photos and download them at exactly 640 × 640 pixels. Each photo is fitted inside that size and padded, so the product is never cut. It runs in your browser; nothing is uploaded.

![Blush satin slip dress on a white background · Resize image to 640 × 640 px](https://herofab.app/img/ex/slip-dress-white-1100.webp)

Made with Herofab · Packshot studio

## Choose the size.

Sizes come from each marketplace's own help pages, summarised in the [guides](https://herofab.app/guides/) (checked 24 September 2026).

## Who asks for 640 × 640 px.

Lines from Herofab's platform guides that name 640 × 640 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 |
| --- | --- | --- | --- |
| [TikTok ads](https://herofab.app/guides/tiktok-ad-image-size) | Size | Carousel image resolution: vertical 720 × 1,280 pixels, square 640 × 640 or horizontal 1,200 × 628 | 12 October 2026 |
| [eMAG](https://herofab.app/guides/emag-image-requirements) | Size | Minimum 640 × 640 pixels and maximum 6,000 × 6,000 pixels; images outside this range invalidate the product | 12 October 2026 |

## From a phone photo to 640 × 640 px.

Common 12-megapixel phone photo shapes fitted inside 640 × 640 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 | 15.9% | 640 × 480 px | ↕ 80 + 80 px |
| 3,024 × 4,032 · 3:4 | 15.9% | 480 × 640 px | ↔ 80 + 80 px |
| 4,032 × 2,268 · 16:9 | 15.9% | 640 × 360 px | ↕ 140 + 140 px |
| 2,268 × 4,032 · 9:16 | 15.9% | 360 × 640 px | ↔ 140 + 140 px |
| 3,024 × 3,024 · 1:1 | 21.2% | 640 × 640 px | — |

## 640 × 640 px in numbers.

- **Aspect ratio:** 1:1
- **Megapixels:** 0.41
- **Print size at 300 dpi:** 5.4 × 5.4 cm · 2.13 × 2.13 in

## Other sizes.

[100 × 100 px](https://herofab.app/tools/resize-image-to-100x100) · [150 × 150 px](https://herofab.app/tools/resize-image-to-150x150) · [300 × 300 px](https://herofab.app/tools/resize-image-to-300x300) · [400 × 400 px](https://herofab.app/tools/resize-image-to-400x400) · [500 × 500 px](https://herofab.app/tools/resize-image-to-500x500) · [600 × 600 px](https://herofab.app/tools/resize-image-to-600x600) · [800 × 800 px](https://herofab.app/tools/resize-image-to-800x800) · [1,000 × 1,000 px](https://herofab.app/tools/resize-image-to-1000x1000) · [1,024 × 1,024 px](https://herofab.app/tools/resize-image-to-1024x1024) · [1,080 × 1,080 px](https://herofab.app/tools/resize-image-to-1080x1080) · [1,200 × 1,200 px](https://herofab.app/tools/resize-image-to-1200x1200) · [1,500 × 1,500 px](https://herofab.app/tools/resize-image-to-1500x1500) · [1,600 × 1,600 px](https://herofab.app/tools/resize-image-to-1600x1600) · [2,000 × 2,000 px](https://herofab.app/tools/resize-image-to-2000x2000) · [2,048 × 2,048 px](https://herofab.app/tools/resize-image-to-2048x2048) · [2,200 × 2,200 px](https://herofab.app/tools/resize-image-to-2200x2200) · [2,560 × 2,560 px](https://herofab.app/tools/resize-image-to-2560x2560) · [1,200 × 628 px](https://herofab.app/tools/resize-image-to-1200x628) · [1,920 × 1,080 px](https://herofab.app/tools/resize-image-to-1920x1080) · [1,080 × 1,920 px](https://herofab.app/tools/resize-image-to-1080x1920) · [720 × 1,280 px](https://herofab.app/tools/resize-image-to-720x1280) · [762 × 1,100 px](https://herofab.app/tools/resize-image-to-762x1100) · [750 × 1,000 px](https://herofab.app/tools/resize-image-to-750x1000) · [Marketplace image resizer](https://herofab.app/tools/marketplace-image-resizer)

## 640 × 640 px, answered.

**Which platforms ask for 640 × 640 px?**

TikTok ads and eMAG. The table on this page gives each rule in full and links to the platform's guide.

**What aspect ratio is 640 × 640 px?**

1:1. The image has 0.41 megapixels and prints at 5.4 × 5.4 cm (2.13 × 2.13 in) at 300 dpi.

**Is the product cropped when resizing for 640 × 640 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.