How to PDF make searchable API for advanced conversion options in JavaScript with PDF.co Web API

Step By Step Tutorial: how to PDF make searchable API for advanced conversion options in JavaScript

The sample source codes on this page will demonstrate you how to make advanced conversion options in JavaScript. Advanced conversion options in JavaScript can be implemented with PDF.co Web API. PDF.co Web API is the Rest API that provides set of data extraction functions, tools for documents manipulation, splitting and merging of pdf files. Includes built-in OCR, images recognition, can generate and read barcodes from images, scans and pdf.

Fast application programming interfaces of PDF.co Web API for JavaScript plus the instruction and the code below will help to learn how to PDF make searchable API. Sample code in JavaScript is all you need. Copy-paste it to your the code editor, then add a reference to PDF.co Web API and you are ready to try it! Writing JavaScript application typically includes multiple stages of the software development so even if the functionality works please test it with your data and the production environment.

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MakeSearchablePdfFromUrl.js
      
var https = require("https"); var path = require("path"); var fs = require("fs"); // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const API_KEY = "***********************************"; // Direct URL of source PDF file. const SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-make-searchable/sample.pdf"; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. const Pages = ""; // PDF document password. Leave empty for unprotected documents. const Password = ""; // Destination PDF file name const DestinationFile = "./result.pdf"; // Sample profile that sets advanced conversion options // Advanced options are properties of SearchablePDFMaker class from ByteScout PDF Extractor SDK used in the back-end: // https://cdn.bytescout.com/help/BytescoutPDFExtractorSDK/html/5dee0c85-e13d-b93b-ab0f-d4b42ef60756.htm const Profiles = '{ "profiles": [ { "profile1": { "OCRLanguage": "eng", "OCRResolution": 300 } } ] }' // Prepare request to `Make Searchable PDF` API endpoint var queryPath = `/v1/pdf/makesearchable?name=${path.basename(DestinationFile)}&password=${Password}&pages=${Pages}&url=${SourceFileUrl}&profiles=${Profiles}&async=True`; var reqOptions = { host: "api.pdf.co", path: encodeURI(queryPath), headers: { "x-api-key": API_KEY } }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { // Parse JSON response var data = JSON.parse(d); if (data.error == false) { console.log(`Job #${data.jobId} has been created!`); checkIfJobIsCompleted(data.jobId, data.url); } else { // Service reported error console.log(data.message); } }); }).on("error", (e) => { // Request error console.log(e); }); function checkIfJobIsCompleted(jobId, resultFileUrl) { let queryPath = `/v1/job/check?jobid=${jobId}`; let reqOptions = { host: "api.pdf.co", path: encodeURI(queryPath), method: "GET", headers: { "x-api-key": API_KEY } }; https.get(reqOptions, (response) => { response.on("data", (d) => { response.setEncoding("utf8"); // Parse JSON response let data = JSON.parse(d); console.log(`Checking Job #${jobId}, Status: ${data.status}, Time: ${new Date().toLocaleString()}`); if (data.status == "working") { // Check again after 3 seconds setTimeout(function(){ checkIfJobIsCompleted(jobId, resultFileUrl);}, 3000); } else if (data.status == "success") { // Download PDF file var file = fs.createWriteStream(DestinationFile); https.get(resultFileUrl, (response2) => { response2.pipe(file) .on("close", () => { console.log(`Generated PDF file saved as "${DestinationFile}" file.`); }); }); } else { console.log(`Operation ended with status: "${data.status}".`); } }) }); }

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