In this tutorial, we will show you how to convert scanned PDF into searchable PDF in JavaScript using PDF.co Web API. Below is the image of the source PDF and converted searchable PDF output.

Step 1: Source and Code
Let’s start by opening Visual Studio and saving the following files.
Step 2: Install Requests Module
We will use this requests module for file upload. Type the npm install request
in your terminal.
Step 3: PDF.co API Key
In line 13, add your PDF.co API Key. You can get your API Key in the PDF.co dashboard here.
Step 4: Source File
In line 17, enter your source PDF file.
Step 5: Destination File
Type in your desired PDF file name output in line 25.
Step 6: Run Program
After setting up the code, you may now run the program. Type the node app.js
in the terminal.
Step 7: Converted Searchable PDF Demo
Here’s a demo to convert scanned PDF into searchable PDF from start to finish.

In this tutorial, you learned how to convert scanned PDFs into searchable PDFs in JavaScript. You learned how to install the request module to run the program. You also learned how to use the PDF.co Web API to convert scanned PDFs into searchable PDFs.