How to convert PDF to text in jquery async API for PDF to text API in JavaScript with PDF.co Web API

How to convert PDF to text in jquery async API for PDF to text API in JavaScript: How To Tutorial

Today you are going to learn how to convert PDF to text in jquery async API in JavaScript. PDF.co Web API was made to help with PDF to text API in JavaScript. PDF.co Web API is the flexible Web API that includes full set of functions from e-signature requests to data extraction, OCR, images recognition, pdf splitting and pdf splitting. Can also generate barcodes and read barcodes from images, scans and pdf.

This rich sample source code in JavaScript for PDF.co Web API includes the number of functions and options you should do calling the API to implement PDF to text API. For implimentation of this functionality, please copy and paste code below into your app using code editor. Then compile and run your app. Test JavaScript sample code examples whether they respond your needs and requirements for the project.

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converter.js

      
var apiKey, formData, toType, isInline;

$(document).ready(function () {
    $("#resultBlock").hide();
    $("#errorBlock").hide();
    $("#result").attr("href", '').html('');
});

$(document).on("click", "#submit", function () {
    $("#resultBlock").hide();
    $("#errorBlock").hide();
    $("#inlineOutput").text(''); // inline output div
    $("#status").text(''); // status div

    apiKey = $("#apiKey").val().trim(); //Get your API key at https://app.pdf.co/documentation/api

    formData = $("#form input[type=file]")[0].files[0]; // file to upload
    toType = $("#convertType").val(); // output type
    isInline = $("#outputType").val() == "inline"; // if we need output as inline content or link to output file

    $("#status").html('Requesting presigned url for upload... &nbsp;&nbsp;&nbsp; <img src="ajax-loader.gif" />');

    $.ajax({
        url: 'https://api.pdf.co/v1/file/upload/get-presigned-url?name=test.pdf&contenttype=application/pdf&encrypt=true',
        type: 'GET',
        headers: { 'x-api-key': apiKey }, // passing our api key
        success: function (result) {

            if (result['error'] === false) {

                var presignedUrl = result['presignedUrl']; // reading provided presigned url to put our content into
                $("#status").html('Uploading... &nbsp;&nbsp;&nbsp; <img src="ajax-loader.gif" />');

                $.ajax({
                    url: presignedUrl, // no api key is required to upload file
                    type: 'PUT',
                    headers: { 'content-type': 'application/pdf' }, // setting to pdf type as we are uploading pdf file
                    data: formData,
                    processData: false,
                    success: function (result) {

                        $("#status").html('Processing... &nbsp;&nbsp;&nbsp; <img src="ajax-loader.gif" />');

                        $.ajax({
                            url: 'https://api.pdf.co/v1/pdf/convert/to/' + toType + '?url=' + presignedUrl + '&encrypt=true&inline=' + isInline + '&async=True',
                            type: 'POST',
                            headers: { 'x-api-key': apiKey },
                            success: function (result) {
                                if (result.error) {
                                    $("#status").text('Error uploading file.');
                                }
                                else {
                                    checkIfJobIsCompleted(result.jobId, result.url);
                                }
                            }
                        });
                    },
                    error: function () {
                        $("#status").text('Error');
                    }
                });
            }
        }
    });
});

function checkIfJobIsCompleted(jobId, resultFileUrl) {
    $.ajax({
        url: 'https://api.pdf.co/v1/job/check?jobid=' + jobId,
        type: 'GET',
        headers: { 'x-api-key': apiKey }, // passing our api key
        success: function (jobResult) {

            $("#status").html(jobResult.status + ' &nbsp;&nbsp;&nbsp; <img src="ajax-loader.gif" />');

            if (jobResult.status == "working") {
                // Check again after 3 seconds
                setTimeout(function(){
                    checkIfJobIsCompleted(jobId, resultFileUrl);
                }, 3000);
            }
            else if (jobResult.status == "success") {

                $("#status").text('Done converting.');

                $("#resultBlock").show();

                if (isInline && toType != "xls" && toType != "xlsx") {
                    $.ajax({
                        url: resultFileUrl,
                        dataType: 'text',
                        success: function(respText){
                            $("#inlineOutput").text(respText);
                        }
                    });
                }
                else {
                    $("#result").attr("href", resultFileUrl).html(resultFileUrl);
                }
            }
        }
    });
}

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