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Image Resize API

Resize, crop, and transform images via API. Support for multiple fit modes, formats, and quality settings.

API Endpoint

POST /v1/image-resize

Parameters

Name Type Required Description
urlstringYesURL of the image to resize
widthintegerYesTarget width in pixels
heightintegerNoTarget height in pixels
fitstringNoFit mode: cover, contain, fill (default: cover)

Quick Example

curl -X POST "https://api.toolcenter.dev/v1/image-resize" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://example.com/photo.jpg", "width": 400, "height": 300, "fit": "cover"}' \
  --output resized.jpg

Features

  • Resize to exact dimensions
  • Multiple fit modes: cover, contain, fill, inside
  • Auto-crop with smart focus
  • Format conversion (PNG, JPEG, WebP)
  • Quality and DPI control

Use Cases

Generate thumbnail images

Prepare images for responsive layouts

Create social media sized images

Batch resize product photos

Start Using Image Resize API for Free

500 free API calls per month. No credit card required.

Get Started Free