With the growing need to preserve web content in a consistent and shareable format, converting HTML pages into PDF documents has become a common requirement. PDF ensures fixed formatting, universal compatibility, and is ideal for reporting, archiving, and printing.
With the help of .NET REST API, you can automate this transformation quickly and with full control over output layout, margins, fonts, and more.
HTML to PDF REST API for .NET
The Aspose.HTML Cloud SDK for .NET provides powerful features to seamlessly convert HTML to PDF with a few lines of code. It supports multiple input types, cloud-based storage, and highly customizable output settings.
The Cloud SDK is available for download from NuGet or GitHub. Now, in order to install the SDK through NuGet package manager, please execute the following command:
PM> Install-Package Aspose.HTML-Cloud
Next, register at the Aspose Cloud dashboard to obtain your Client ID and Client Secret.
Convert HTML to PDF in C# (.NET)
Let’s walk through converting a stored HTML file to PDF using the SDK.
- Initialize the HtmlApi with your credentials.
- Upload HTML file to the cloud storage.
- Use PutConvertDocumentToPdf(…) to save HTML as PDF format.
Image 2:- HTML to PDF conversion preview.
The resultant file generated in above example can be downloaded from Resultant.pdf.
Convert Webpage to PDF using cURL
Prefer a command-line or server-side approach? Then, please try using the cURL command to save the HTML to PDF.
Benefits of Using cURL:
- Minimal dependencies.
- Easily integrated into CI/CD pipelines.
- Ideal for scripting and serverless automation.
- Generate Access Token
curl -v "https://api.aspose.cloud/connect/token" \
-X POST \
-d "grant_type=client_credentials&client_id=4db2f826-bf9c-42e7-8b2a-8cbca2d15553&client_secret=d757548a9f2558c39c2feebdf85b4c44" \
-H "Content-Type: application/x-www-form-urlencoded" \
-H "Accept: application/json"
- Upload HTML File to Cloud Please execute the following command to upload the input HTML file to the cloud storage:
curl -X PUT "https://api.aspose.cloud/html/storage/file/inputHTML.html" \
-H "accept: application/json" \
-H "authorization: Bearer <JWT Token>" \
-H "Content-Type: multipart/form-data" \
-d {"File":{}}
- Convert HTML to PDF
curl -X PUT "https://api.aspose.cloud/html/inputHTML.html/convert/pdf?outPath=Converted.pdf&width=800&height=1000&leftMargin=10&rightMargin=10&topMargin=10&bottomMargin=10" \
-H "accept: application/json" \
-H "authorization: Bearer <JWT Token>"
Final Thoughts
Whether you’re building a reporting system, document automation tool, or content archiving system—Aspose.HTML Cloud SDK for .NET provides a reliable and developer-friendly way to convert HTML to PDF programmatically. And if you prefer scripting, cURL provides a quick and easy alternative for headless environments.
Take full control of your content workflows today with the power of web to PDF conversion in .NET.
Free HTML to DPF Converter App
In order to witness the amazing capabilities of REST API, please try using our free HTML to PDF Converter App.
Online HTML to PDF converter.
Useful Links
Frequently Asked Questions – FAQs
Can I convert HTML to XPS online?
- Yes. Other than HTML to PDF conversion, you can easily perform HTML to XPS conversion using Aspose.HTML REST API. For further details, please visit Convert HTML to XPS online.
Do I need Adobe Acrobat installed?
- No. This is a cloud-based solution and works independently of Adobe Acrobat or similar products.
Is there a free trial?
- Yes. You can get 150 free API calls per month with a trial account. For information on pricing, please visit pricing guide.
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