sharp-server

Convert any image with a HTTP POST request

• Send a HTTP POST request
• Let sharp convert/optimize your image
• Do something with the response

Accept

Set the accept header with the desired output MIME type. e.g. "accept": "image/webp"

Options

Resize

Set the resize-options header, with a JSON string of sharp resize options.

Output

Set the output-options header, with a JSON string of sharp output options relevant to the output type set in accept header.

Example usage

Using defaults

fetch("my.domain.io",{
    method: "POST",
    headers: {
      "content-type": "image/jpeg",
      "accept": "image/webp"
    },
    body: arrayBuffer
  });

Setting resize & output options

AVIF output

fetch("my.domain.io",{
    method: "POST",
    headers: {
      "content-type": "image/jpeg",
      "accept": "image/avif"
      "resize-options": { "width": 750, "withoutEnlargement": true }
      "output-options": { "speed": 8 }
    },
    body: arrayBuffer
  });

WebP output

fetch("my.domain.io",{
    method: "POST",
    headers: {
      "content-type": "image/jpeg",
      "accept": "image/webp"
      "resize-options": { "width": 750, "withoutEnlargement": true }
      "output-options": { "reductionEffort": 6 }
    },
    body: arrayBuffer
  });