Metadata and Exif

imagor provides metadata endpoint that extracts information such as image format, resolution and Exif metadata. Under the hood, it tries to retrieve data just enough to extract the header, without reading and processing the whole image in memory.

To use the metadata endpoint, add /meta right after the URL signature hash before the image operations. Example:

http://localhost:8000/unsafe/meta/fit-in/50x50/raw.githubusercontent.com/cshum/imagor/master/testdata/Canon_40D.jpg

{
  "format": "jpeg",
  "content_type": "image/jpeg",
  "width": 50,
  "height": 34,
  "orientation": 1,
  "pages": 1,
  "bands": 3,
  "exif": {
    "ApertureValue": "368640/65536",
    "ColorSpace": 1,
    "ComponentsConfiguration": "Y Cb Cr -",
    "Compression": 6,
    "DateTime": "2008:07:31 10:38:11",
    "ISOSpeedRatings": 100,
    "Make": "Canon",
    "MeteringMode": 5,
    "Model": "Canon EOS 40D",
    //...
  }
}

Prepending /params to the existing endpoint returns the endpoint attributes in JSON form, useful for previewing the endpoint parameters. Example:

curl 'http://localhost:8000/params/g5bMqZvxaQK65qFPaP1qlJOTuLM=/fit-in/500x400/0x20/filters:fill(white)/raw.githubusercontent.com/cshum/imagor/master/testdata/gopher.png'