Sample code for 30+ languages & platforms
Node.js

Extract PDF from JSON

See more JSON Examples

Demonstrates how to extract a PDF file contained within JSON. The file is represented as a base64 string within the JSON. Note: This example can extract any type of file, not just a PDF file.

Chilkat Node.js Downloads

Node.js
NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    var json = new chilkat.JsonObject();

    // Load the JSON.
    success = json.LoadFile("qa_data/json/JSR5U.json");
    if (success !== true) {
        console.log(json.LastErrorText);
        return;
    }

    // The JSON we loaded contains this:

    // 	{
    // 	...
    // 	...
    // 	  "data": {
    // 	    "content": "JVBERi0xLjQ..."
    // 	  }
    // 	...
    // 	...
    // 	}

    var sb = new chilkat.StringBuilder();
    json.StringOfSb("data.content",sb);

    var bd = new chilkat.BinData();
    bd.AppendEncodedSb(sb,"base64");

    success = bd.WriteFile("qa_output/a0015.pdf");

}

chilkatExample();