Image Resize API

Resize, scale, and transform images programmatically. Set exact dimensions, scale by percentage, or fit to containers. Perfect for thumbnails, responsive images, and batch processing.

Start Free (50 Credits) View Documentation

$0.005 per image • Maintains quality • All formats supported

curl -X POST "https://api.chargedapi.com/image/resize" \
  -H "X-API-Key: your_api_key" \
  -F "file=@photo.jpg" \
  -F "width=800" \
  -F "height=600" \
  -F "fit=contain"

# Response:
{
  "success": true,
  "download_url": "https://...",
  "width": 800,
  "height": 600,
  "format": "jpg"
}

Flexible Resize Options

Exact Dimensions

Set specific width and height in pixels. Perfect for fixed-size thumbnails.

width=800&height=600

Scale by Percentage

Scale images up or down by percentage while maintaining aspect ratio.

scale=50

Width or Height Only

Set one dimension, let the other adjust automatically to maintain ratio.

width=1200

Fit Modes

Contain

Fit inside dimensions, maintain aspect ratio

fit=contain

Cover

Fill dimensions, crop if needed

fit=cover

Fill

Stretch to exact dimensions

fit=fill

Inside

Never upscale, only shrink

fit=inside

Common Use Cases

Thumbnail Generation

Generate consistent thumbnails for galleries, listings, and previews.

Responsive Images

Create multiple sizes for srcset and responsive web design.

E-commerce

Standardize product images across your catalog.

Profile Pictures

Resize and crop user uploads to consistent avatar sizes.

Social Media

Generate platform-specific sizes for Facebook, Twitter, Instagram.

Email Marketing

Optimize images for email newsletters and campaigns.

Code Examples

Python - Generate Thumbnails

import requests

def create_thumbnail(image_path, size=200):
    with open(image_path, "rb") as f:
        response = requests.post(
            "https://api.chargedapi.com/image/resize",
            headers={"X-API-Key": "your_api_key"},
            files={"file": f},
            data={
                "width": size,
                "height": size,
                "fit": "cover"
            }
        )
    return response.json()["download_url"]

JavaScript - Responsive Sizes

const sizes = [320, 640, 1024, 1920];

async function generateResponsive(file) {
  const urls = await Promise.all(
    sizes.map(width =>
      fetch(`https://api.chargedapi.com/image/resize`, {
        method: "POST",
        headers: { "X-API-Key": "your_api_key" },
        body: createFormData(file, { width })
      }).then(r => r.json())
    )
  );
  return urls.map(r => r.download_url);
}