How to PDF make searchable API in C# with PDF.co Web API

Write code in C# to PDF make searchable API with this step-by-step tutorial

The coding tutorials are designed to help you test the features without need to write your own code. 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. It can PDF make searchable API in C#.

C# code samples for C# developers help to speed up coding of your application when using PDF.co Web API. Just copy and paste the code into your C# application’s code and follow the instruction. Enjoy writing a code with ready-to-use sample C# codes.

Free trial version of PDF.co Web API is available on our website. Documentation and source code samples are included.

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Program.cs
      
using System; using System.IO; using System.Net; using Newtonsoft.Json.Linq; namespace ByteScoutWebApiExample { class Program { // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const String API_KEY = "***********************************"; // Direct URL of source PDF file. const string 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 string Pages = ""; // PDF document password. Leave empty for unprotected documents. const string Password = ""; // OCR language. "eng", "fra", "deu", "spa" supported currently. Ley us know if you need more. const string Language = "eng"; // Destination PDF file name const string DestinationFile = @".\result.pdf"; static void Main(string[] args) { // Create standard .NET web client instance WebClient webClient = new WebClient(); // Set API Key webClient.Headers.Add("x-api-key", API_KEY); // Prepare URL for `Make Searchable PDF` API call string query = Uri.EscapeUriString(string.Format( "https://api.pdf.co/v1/pdf/makesearchable?name={0}&password={1}&pages={2}&lang={3}&url={4}", Path.GetFileName(DestinationFile), Password, Pages, Language, SourceFileUrl)); try { // Execute request string response = webClient.DownloadString(query); // Parse JSON response JObject json = JObject.Parse(response); if (json["error"].ToObject<bool>() == false) { // Get URL of generated PDF file string resultFileUrl = json["url"].ToString(); // Download PDF file webClient.DownloadFile(resultFileUrl, DestinationFile); Console.WriteLine("Generated PDF file saved as \"{0}\" file.", DestinationFile); } else { Console.WriteLine(json["message"].ToString()); } } catch (WebException e) { Console.WriteLine(e.ToString()); } webClient.Dispose(); Console.WriteLine(); Console.WriteLine("Press any key..."); Console.ReadKey(); } } }

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packages.config
      
<?xml version="1.0" encoding="utf-8"?> <packages> <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net40" /> </packages>

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