REST API to convert PDF to HTML online. Learn the steps for PDF to HTML conversion using Ruby SDK.

Convert PDF to HTML

How to Convert PDF to HTML – Convert PDF to HTML Online


PDF to HTML is one of the most widely used document file format that contains text, images, data etc. Converting the PDF to HTML using Aspose.Words Conversion Services API is very easy and simple process. There are plenty of benefits of converting PDF to HTML documents using Aspose.Words Cloud API. Aspose.words Cloud REST API performs an easy and quick file format conversions.

Do you want to convert a PDF to HTML? You can quickly convert a PDF to HTML file in high quality using Aspose Cloud API. Use our PDF to HTML that helps developers to use it on their sites. Our pdf converter is the best choice for your file conversion needs to turn a PDF to HTML file. In this article, we are will explain how to use best PDF to HTML converter tool.

  • Aspose.Words API for PDF to HTML
  • How to Install Aspose.Words Ruby SDK?
  • Create Aspose.Cloud API Credentials
  • FREE PDF to HTML Converter Online
  • How to Convert PDF Documents into HTML?
  • Conclusion

Aspose.Words API for PDF to HTML

Use Aspose.Words processor to convert your PDF to HTML files quickly. You can bring back a PDF to HTML format by converting it using PDF to HTML API. Aspose.Words Ruby SDK will allow you to maintain the document structure and make it 100% compatible with html. Aspose.Words file conversion API offers one of the most advanced PDF to HTML conversions. Aspose.Words file conversion PDF to HTML preserves the layouts and table formatting. This saves your time and effort of retyping.

Using Aspose.Words API for PDF to HTML document, you can easily produce high quality results when converting PDF to HTML documents. After conversion, you can easily view the html file according to your needs. This Aspose Cloud API meets the needs when processing html documents for business, education and many more. Aspose Words Cloud API is easy to process with fast working speed, text formatting and high conversion accuracy.

How to Install Aspose.Words Ruby SDK?

In order to use Ruby SDK for communicating with the Aspose.Words Cloud REST API, we first need to install it on our system. Ruby SDK is available to download with zero initial cost as RubyGem (recommended) and from GitHub. Once you have Ruby runtime configured, please execute the following command in the terminal to perform the quick and easy installation in a Ruby application.

gem 'aspose_words_cloud', '~> 22.3'
# or install directly
gem install aspose_words_cloud

But before you proceed with the installation of Aspose.Words Cloud SDK for Ruby 2.6 or later, you need to install the following dependency packages on your system.

# Following are the runtime dependencies to setup aspose_words_cloud
faraday 1.4.3 >= 1.4.1
marcel 1.0.1 >= 1.0.0
multipart-parser 0.1.1 >= 0.1.1
# Development dependencies is
minitest 5.14.4 ~> 5.11, >= 5.11.3

This SDK for Ruby supports more than 20 document-related formats with full read and write access. For more details, please visit aspose cloud documentation website.

Create Aspose.Cloud API Credentials

After installing all dependency packages of Ruby environment, the next step is to obtain ClientID and ClientSecret details to make calls to the Aspose.Words cloud APIs for PDF to HTML conversion. There are two options to consume the REST APIs directly via some rest client like cURL or using cloud SDKs. So, the first step is to create an account by navigating Aspose.Cloud dashboard. If you have Google or Microsoft account then simply click Google or Microsoft button to Sign Up. Otherwise click Sign Up link to create new account by providing the required information.

After sign into the cloud space dashboard and click the Applications tab in the left sidebar. Now scroll down, click Create New Application button. Next, create your new application by selecting your default storage as shown in the image below. You can also configure third-party storage to upload your data files by following how to configure 3rd party cloud storage guide. Now, scroll down towards the Client Credentials section to copy Client Id and Client Secret as shown in the image below.

Convert PDF to HTML Using File Format Conversion Ruby Library

These Client Credentials will be used to make API Calls to the Aspose.Words cloud APIs for PDF to HTML Document converter.

FREE PDF to HTML Converter Online

Aspose.Words has a user-friendly interface where you can test APIs in real-time for PDF to HTML converter from the UI. Here, you can set different parameters, insert data and upload files to test the file conversion features. Moreover, you can instantly convert a PDF to HTML file at very high fidelity using our Cloud API. But our free PDF to HTML Converter Application is also available online for any device and browser as shown in the below image.

Convert PDF to HTML online for free

Convert PDF to HTML online free.

Next, we will see how to convert a PDF to HTML by using Aspose.Words Document Processing Cloud API in Ruby.

How to Convert PDF Documents into HTML?

The following code below illustrates how simple it is to convert PDF to HTML documents. Follow the instructions below to do the PDF to HTML file conversion using Aspose Ruby SDK in ruby on rails application.

  1. The first step is to create ruby variables holding ClientID and ClientSecret copied from the aspose cloud dashboard.
  2. At second, create AsposeWordsCloud configuration and pass ClientID, ClientSecret values.
  3. Third step is to create an instance of WordsAPI
  4. Next, upload source document file to cloud storage using UploadFileRequest() method
  5. Finally, Save document conversion request parameters and convert document into output file

If your current virtual host configuration doesn’t match the example, update it accordingly. When you’re done, save the file and quit the editor. Then, run the following command to validate your changes:

# Load the gem, For complete list please visit
require 'aspose_words_cloud'
# How to convert PDF to HTML programmatically.
# Get AppKey and AppSID credentials from
@AppSID = “###-######-####-####-##########”
@AppKey = “#############################”
# Associate Configuration properties with WordsApi
AsposeWordsCloud.configure do |config|
config.client_data[‘ClientId’] = @AppSID
config.client_data[‘ClientSecret’] = @AppKey
# Create an instance of WordsApi
@words_api =
# Input PDF file
@fileName = "sample.pdf"
# Final file format
@format = "html"
@destName = "pdf-to-html.html"
# Upload original document to Cloud Storage
@words_api.upload_file, 'rb'), @fileName, nil)
@save_options =
:SaveFormat => @format,
:FileName => @destName
# Save document conversion request parameters.
@request =, @save_options, nil, nil, nil, nil, nil)
@out_result = @words_api.save_as(@request)
# Print result response in console
puts("PDF successfully converted to html file" + (@out_result).to_s )
# End pdf conversion example.

As a result pdf-to-html.html will be saved at the root of project folder. That’s it


We have explored the steps on how to convert PDF to HTML file using Aspose.Words Cloud SDK for Ruby. Aspose.Words Cloud SDKs are open-source tools and the complete code of Aspose.Words cloud SDK for Ruby is available on GitHub repository. Feel free to download Cloud SDK into your project and perform document conversions for your needs.

If you have any questions, suggestions or comments, Feel free to visit our community support forum. For more file conversion related articles, you can follow us on our social media accounts Facebook, LinkedIn, and Twitter.

We also recommend visiting following links for additional help and support: