Rotate PDF Pages

To rotate pages of a document, use PSPDFKit Document Engine’s /api/build endpoint.

Before you get started, make sure Document Engine is up and running.

You can download and use either of the following sample documents for the examples in this guide:

You’ll be sending multipart POST requests with instructions to Document Engine’s /api/build endpoint. To learn more about multipart requests, refer to our blog post on the topic, A Brief Tour of Multipart Requests.

Check out the API Reference to learn more about the /api/build endpoint and all the actions you can perform on PDFs with PSPDFKit Document Engine.

Rotating Pages of a File on Disk

Send a multipart request to the /api/build endpoint, attaching input files and the instructions JSON:

The example below rotates the first two pages of an eight-page document 90 degrees clockwise. After rotating the first two pages, the result is merged with the remaining six pages of the document to get the final output PDF.

curl -X POST http://localhost:5000/api/build \
  -H "Authorization: Token token=<API token>" \
  -F document=@/path/to/document.pdf \
  -F instructions='{
  "parts": [
    {
      "file": "document",
      "pages": {
        "start": 0,
        "end": 1
      },
      "actions": [
        {
          "type": "rotate",
          "rotateBy": 90
        }
      ]
    },
    {
      "file": "document",
      "pages": {
        "start": 2,
        "end": 7
      }
    }
  ]
}' \
  -o result.pdf
POST /api/build HTTP/1.1
Content-Type: multipart/form-data; boundary=customboundary
Authorization: Token token=<API token>

--customboundary
Content-Disposition: form-data; name="document"; filename="document.pdf"
Content-Type: application/pdf

<PDF data>
--customboundary
Content-Disposition: form-data; name="instructions"
Content-Type: application/json

{
  "parts": [
    {
      "file": "document",
      "pages": {
        "start": 0,
        "end": 1
      },
      "actions": [
        {
          "type": "rotate",
          "rotateBy": 90
        }
      ]
    },
    {
      "file": "document",
      "pages": {
        "start": 2,
        "end": 7
      }
    }
  ]
}
--customboundary--

Rotating Pages of a File from a URL

Send a multipart request to the /api/build endpoint, attaching a URL pointing to an input file and the instructions JSON.

The following example rotates all the pages of the document at the URL 90 degrees clockwise:

curl -X POST http://localhost:5000/api/build \
  -H "Authorization: Token token=<API token>" \
  -F instructions='{
  "parts": [
    {
      "file": {
        "url": "https://pspdfkit.com/downloads/examples/paper.pdf"
      },
      "actions": [
        {
          "type": "rotate",
          "rotateBy": 90
        }
      ]
    }
  ]
}' \
  -o result.pdf
POST /api/build HTTP/1.1
Content-Type: multipart/form-data; boundary=customboundary
Authorization: Token token=<API token>

--customboundary
Content-Disposition: form-data; name="instructions"
Content-Type: application/json

{
  "parts": [
    {
      "file": {
        "url": "https://pspdfkit.com/downloads/examples/paper.pdf"
      },
      "actions": [
        {
          "type": "rotate",
          "rotateBy": 90
        }
      ]
    }
  ]
}
--customboundary--