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React Native

PDF File Encoding to Base64

See more Base64 Examples

Demonstrates how to encode a PDF file to base64, and then decode.

Chilkat React Native Downloads

React Native
import { BinData } from '@chilkat/react-native'

function chilkatExample() {
  const pdfData = new BinData();

  try {
    pdfData.loadFile('qa_data/helloWorld.pdf');
  } catch {
    console.log('failed to load PDF file.');
    return;
  }

  // Encode the PDF to base64
  // Note: to produce base64 on multiple lines (as it would appear in the MIME of an email),
  // pass the string "base64_mime" instead of "base64".
  const b64 = pdfData.getEncoded('base64');
  console.log(b64);

  // Decode from base64 PDF.
  const pdfData2 = new BinData();
  pdfData2.appendEncoded(b64, 'base64');
  try {
    pdfData2.writeFile('qa_output/helloWorld2.pdf');
  } catch {
    console.log('failed to write PDF file.');
    return;
  }
}