PDF to Image PHP Examples

This page contains various examples of using the PDF to Image API in PHP. The examples are complete and fully functional. Read more about how to convert PDF to Image in PHP.

Basic examples
PHP website examples
Laravel examples
Symfony examples

Basic examples

PDF file to PNG file

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

    // If unsure whether the input is a single-page file, enforce ZIP output
    $client->setOutputFormat("png");
    $client->setForceZip(true);

    // run the conversion and write the result to a file
    $client->convertFileToFile("/path/to/invoice.pdf", "invoice.zip");
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

PDF file to in-memory PNG

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

    // If unsure whether the input is a single-page file, enforce ZIP output
    $client->setOutputFormat("png");
    $client->setForceZip(true);

    // run the conversion and store the result into the "png" variable
    $png = $client->convertFile("/path/to/invoice.pdf");

    // at this point the "png" variable contains PNG raw data and
    // can be sent in an HTTP response, saved to a file, etc.
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

PDF file to PNG stream

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

    // If unsure whether the input is a single-page file, enforce ZIP output
    $client->setOutputFormat("png");
    $client->setForceZip(true);

    // create an output stream for the conversion result
    $output_stream = fopen("invoice.zip", "wb");

    // check for a file creation error
    if (!$output_stream)
        throw new \Exception(error_get_last()['message']);

    // run the conversion and write the result into the output stream
    $client->convertFileToStream("/path/to/invoice.pdf", $output_stream);

    // close the output stream
    fclose($output_stream);
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

PDF url to PNG file

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

    // If unsure whether the input is a single-page file, enforce ZIP output
    $client->setOutputFormat("png");
    $client->setForceZip(true);

    // run the conversion and write the result to a file
    $client->convertUrlToFile("https://pdfcrowd.com/static/pdf/apisamples/invoice.pdf", "invoice.zip");
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

PDF url to in-memory PNG

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

    // If unsure whether the input is a single-page file, enforce ZIP output
    $client->setOutputFormat("png");
    $client->setForceZip(true);

    // run the conversion and store the result into the "png" variable
    $png = $client->convertUrl("https://pdfcrowd.com/static/pdf/apisamples/invoice.pdf");

    // at this point the "png" variable contains PNG raw data and
    // can be sent in an HTTP response, saved to a file, etc.
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

PDF url to PNG stream

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

    // If unsure whether the input is a single-page file, enforce ZIP output
    $client->setOutputFormat("png");
    $client->setForceZip(true);

    // create an output stream for the conversion result
    $output_stream = fopen("invoice.zip", "wb");

    // check for a file creation error
    if (!$output_stream)
        throw new \Exception(error_get_last()['message']);

    // run the conversion and write the result into the output stream
    $client->convertUrlToStream("https://pdfcrowd.com/static/pdf/apisamples/invoice.pdf", $output_stream);

    // close the output stream
    fclose($output_stream);
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

In-memory PDF to PNG file

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

    // If unsure whether the input is a single-page file, enforce ZIP output
    $client->setOutputFormat("png");
    $client->setForceZip(true);

    // run the conversion and write the result to a file
    $client->convertRawDataToFile(file_get_contents("/path/to/hello_world.pdf"), "invoice.zip");
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

In-memory PDF to in-memory PNG

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

    // If unsure whether the input is a single-page file, enforce ZIP output
    $client->setOutputFormat("png");
    $client->setForceZip(true);

    // run the conversion and store the result into the "png" variable
    $png = $client->convertRawData(file_get_contents("/path/to/hello_world.pdf"));

    // at this point the "png" variable contains PNG raw data and
    // can be sent in an HTTP response, saved to a file, etc.
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

In-memory PDF to PNG stream

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

    // If unsure whether the input is a single-page file, enforce ZIP output
    $client->setOutputFormat("png");
    $client->setForceZip(true);

    // create an output stream for the conversion result
    $output_stream = fopen("invoice.zip", "wb");

    // check for a file creation error
    if (!$output_stream)
        throw new \Exception(error_get_last()['message']);

    // run the conversion and write the result into the output stream
    $client->convertRawDataToStream(file_get_contents("/path/to/hello_world.pdf"), $output_stream);

    // close the output stream
    fclose($output_stream);
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

Get info about the current conversion

<?php
require "pdfcrowd.php";

try
{
    // create the API client instance
    $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

    // If unsure whether the input is a single-page file, enforce ZIP output
    $client->setOutputFormat("png");
    $client->setDebugLog(true);
    $client->setForceZip(true);

    // run the conversion and write the result to a file
    $client->convertFileToFile("/path/to/invoice.pdf", "invoice.zip");
    
    // print URL of the debug log
    echo "Debug log url: " . $client->getDebugLogUrl() . "\n";
    
    // print the number of conversion credits remaining in your account
    echo "Remaining credit count: " . $client->getRemainingCreditCount() . "\n";
    
    // print the number of credits used for the conversion
    echo "Consumed credit count: " . $client->getConsumedCreditCount() . "\n";
    
    // print the unique identifier for the conversion
    echo "Job id: " . $client->getJobId() . "\n";
    
    // print total number of pages in the output document
    echo "Page count: " . $client->getPageCount() . "\n";
    
    // print size of the output data in bytes
    echo "Output size: " . $client->getOutputSize() . "\n";
}
catch(\Pdfcrowd\Error $why)
{
    error_log("Pdfcrowd Error: {$why}\n");
    throw $why;
}

?>

PHP website examples

PDF file to PNG in PHP website

<?php
require 'pdfcrowd.php';

// the recommended method is POST
if($_SERVER['REQUEST_METHOD'] == 'POST') {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

        // If unsure whether the input is a single-page file, enforce ZIP output
        $client->setOutputFormat("png");
        $client->setForceZip(true);

        // run the conversion
        $png = $client->convertFile("/path/to/invoice.pdf");

        // set HTTP response headers
        header("Content-Type: image/png");
        header("Cache-Control: no-cache");
        header("Accept-Ranges: none");
        header("Content-Disposition: attachment; filename*=UTF-8''" . rawurlencode("invoice.zip"));

        echo $png;
    }
    catch(\Pdfcrowd\Error $why) {
        // report the error
        header("Content-Type: text/plain");
        http_response_code($why->getCode());
        echo "Pdfcrowd Error: {$why}";
    }
}

?>

PDF url to PNG in PHP website

<?php
require 'pdfcrowd.php';

// the recommended method is POST
if($_SERVER['REQUEST_METHOD'] == 'POST') {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

        // If unsure whether the input is a single-page file, enforce ZIP output
        $client->setOutputFormat("png");
        $client->setForceZip(true);

        // run the conversion
        $png = $client->convertUrl("https://pdfcrowd.com/static/pdf/apisamples/invoice.pdf");

        // set HTTP response headers
        header("Content-Type: image/png");
        header("Cache-Control: no-cache");
        header("Accept-Ranges: none");
        header("Content-Disposition: attachment; filename*=UTF-8''" . rawurlencode("invoice.zip"));

        echo $png;
    }
    catch(\Pdfcrowd\Error $why) {
        // report the error
        header("Content-Type: text/plain");
        http_response_code($why->getCode());
        echo "Pdfcrowd Error: {$why}";
    }
}

?>

In-memory PDF to PNG in PHP website

<?php
require 'pdfcrowd.php';

// the recommended method is POST
if($_SERVER['REQUEST_METHOD'] == 'POST') {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

        // If unsure whether the input is a single-page file, enforce ZIP output
        $client->setOutputFormat("png");
        $client->setForceZip(true);

        // run the conversion
        $png = $client->convertRawData(file_get_contents("/path/to/hello_world.pdf"));

        // set HTTP response headers
        header("Content-Type: image/png");
        header("Cache-Control: no-cache");
        header("Accept-Ranges: none");
        header("Content-Disposition: attachment; filename*=UTF-8''" . rawurlencode("invoice.zip"));

        echo $png;
    }
    catch(\Pdfcrowd\Error $why) {
        // report the error
        header("Content-Type: text/plain");
        http_response_code($why->getCode());
        echo "Pdfcrowd Error: {$why}";
    }
}

?>

Laravel examples

PDF file to PNG in Laravel

<?php

// the recommended method is POST
Route::post('/', function () {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

        // If unsure whether the input is a single-page file, enforce ZIP output
        $client->setOutputFormat("png");
        $client->setForceZip(true);

        // run the conversion and store the result into the "png" variable
        $png = $client->convertFile("/path/to/invoice.pdf");

        // send the result and set HTTP response headers
        return response($png)
            ->header("Content-Type", "image/png")
            ->header("Cache-Control", "no-cache")
            ->header("Accept-Ranges", "none")
            ->header("Content-Disposition",
                     "attachment; filename*=UTF-8''" . rawurlencode("invoice.zip"));
    }
    catch(\Pdfcrowd\Error $why) {
        // send the error in the HTTP response
        return response($why->getMessage(), $why->getCode())
            ->header("Content-Type", "text/plain");
    }
});

?>

PDF url to PNG in Laravel

<?php

// the recommended method is POST
Route::post('/', function () {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

        // If unsure whether the input is a single-page file, enforce ZIP output
        $client->setOutputFormat("png");
        $client->setForceZip(true);

        // run the conversion and store the result into the "png" variable
        $png = $client->convertUrl("https://pdfcrowd.com/static/pdf/apisamples/invoice.pdf");

        // send the result and set HTTP response headers
        return response($png)
            ->header("Content-Type", "image/png")
            ->header("Cache-Control", "no-cache")
            ->header("Accept-Ranges", "none")
            ->header("Content-Disposition",
                     "attachment; filename*=UTF-8''" . rawurlencode("invoice.zip"));
    }
    catch(\Pdfcrowd\Error $why) {
        // send the error in the HTTP response
        return response($why->getMessage(), $why->getCode())
            ->header("Content-Type", "text/plain");
    }
});

?>

In-memory PDF to PNG in Laravel

<?php

// the recommended method is POST
Route::post('/', function () {
    try {
        // create the API client instance
        $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

        // If unsure whether the input is a single-page file, enforce ZIP output
        $client->setOutputFormat("png");
        $client->setForceZip(true);

        // run the conversion and store the result into the "png" variable
        $png = $client->convertRawData(file_get_contents("/path/to/hello_world.pdf"));

        // send the result and set HTTP response headers
        return response($png)
            ->header("Content-Type", "image/png")
            ->header("Cache-Control", "no-cache")
            ->header("Accept-Ranges", "none")
            ->header("Content-Disposition",
                     "attachment; filename*=UTF-8''" . rawurlencode("invoice.zip"));
    }
    catch(\Pdfcrowd\Error $why) {
        // send the error in the HTTP response
        return response($why->getMessage(), $why->getCode())
            ->header("Content-Type", "text/plain");
    }
});

?>

Symfony examples

PDF file to PNG in Symfony

<?php
namespace App\Controller;

use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Response;

class DemoController
{
    /**
     * @Route("/", methods={"POST"})
     * the recommended method is POST
     */
    public function convert()
    {
        try {
            // create the API client instance
            $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

            // If unsure whether the input is a single-page file, enforce ZIP output
            $client->setOutputFormat("png");
            $client->setForceZip(true);

            // run the conversion and store the result into the "png" variable
            $png = $client->convertFile("/path/to/invoice.pdf");

            // send the result and set HTTP response headers
            return new Response(
                $png,
                Response::HTTP_OK,
                ["Content-Type" => "image/png",
                 "Cache-Control" => "no-cache",
                 "Accept-Ranges" => "none",
                 "Content-Disposition" => "attachment; filename*=UTF-8''" . rawurlencode("invoice.zip")]);
        }
        catch(\Pdfcrowd\Error $why) {
            // send the error in the HTTP response
            return new Response($why->getMessage(),
                                $why->getCode(),
                                ["Content-Type" => "text/plain"]);
        }
    }
}

PDF url to PNG in Symfony

<?php
namespace App\Controller;

use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Response;

class DemoController
{
    /**
     * @Route("/", methods={"POST"})
     * the recommended method is POST
     */
    public function convert()
    {
        try {
            // create the API client instance
            $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

            // If unsure whether the input is a single-page file, enforce ZIP output
            $client->setOutputFormat("png");
            $client->setForceZip(true);

            // run the conversion and store the result into the "png" variable
            $png = $client->convertUrl("https://pdfcrowd.com/static/pdf/apisamples/invoice.pdf");

            // send the result and set HTTP response headers
            return new Response(
                $png,
                Response::HTTP_OK,
                ["Content-Type" => "image/png",
                 "Cache-Control" => "no-cache",
                 "Accept-Ranges" => "none",
                 "Content-Disposition" => "attachment; filename*=UTF-8''" . rawurlencode("invoice.zip")]);
        }
        catch(\Pdfcrowd\Error $why) {
            // send the error in the HTTP response
            return new Response($why->getMessage(),
                                $why->getCode(),
                                ["Content-Type" => "text/plain"]);
        }
    }
}

In-memory PDF to PNG in Symfony

<?php
namespace App\Controller;

use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Response;

class DemoController
{
    /**
     * @Route("/", methods={"POST"})
     * the recommended method is POST
     */
    public function convert()
    {
        try {
            // create the API client instance
            $client = new \Pdfcrowd\PdfToImageClient("demo", "ce544b6ea52a5621fb9d55f8b542d14d");

            // If unsure whether the input is a single-page file, enforce ZIP output
            $client->setOutputFormat("png");
            $client->setForceZip(true);

            // run the conversion and store the result into the "png" variable
            $png = $client->convertRawData(file_get_contents("/path/to/hello_world.pdf"));

            // send the result and set HTTP response headers
            return new Response(
                $png,
                Response::HTTP_OK,
                ["Content-Type" => "image/png",
                 "Cache-Control" => "no-cache",
                 "Accept-Ranges" => "none",
                 "Content-Disposition" => "attachment; filename*=UTF-8''" . rawurlencode("invoice.zip")]);
        }
        catch(\Pdfcrowd\Error $why) {
            // send the error in the HTTP response
            return new Response($why->getMessage(),
                                $why->getCode(),
                                ["Content-Type" => "text/plain"]);
        }
    }
}