Convert from HTML Content – Aspose.HTML Cloud

This guide shows how to convert HTML content directly from a string using the Aspose.HTML Cloud API. The provided example illustrates converting HTML content to PDF, but similar methods apply for converting into various formats supported by the API:

HTML Converter: PDF, XPS, DOCX, JPEG, PNG, TIFF, BMP, GIF, Markdown, and MHTML.

Before you begin, make sure you have an authorization token. Check out the Authorization Guide to learn more.

Conversion Methods from HTML Content

Aspose.HTML Cloud supports synchronous conversion from HTML content:

Synchronous Conversion: Suitable for scenarios requiring immediate response.

Synchronous HTML Content to PDF Conversion

Endpoint: POST https://api.aspose.cloud/v4.0/html/conversion/html-pdf/sync

Authorization: Bearer token

Request Body:

1{
2    "InputContent": "<html><body><h1>Hello World</h1></body></html>"
3}

Response: PDF file returned directly as a binary stream.

 1using System;
 2using System.IO;
 3using System.Net.Http;
 4using System.Net.Http.Headers;
 5using System.Text;
 6using System.Threading.Tasks;
 7using Newtonsoft.Json;
 8
 9public class ConversionRequest
10{
11    public string InputContent { get; set; }
12}
13
14public async Task ConvertHtmlContentToPdf()
15{
16    string apiUrl = "https://api.aspose.cloud/v4.0/html/conversion/html-pdf/sync";
17    string outputFilePath = @"C:\\temp\\output_from_content.pdf";
18
19    string htmlContent = "<html><body><h1>Hello World</h1></body></html>";
20
21    using var client = new HttpClient();
22    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", "YOUR_ACCESS_TOKEN");
23
24    var requestBody = new ConversionRequest { InputContent = htmlContent };
25    string jsonRequest = JsonConvert.SerializeObject(requestBody);
26    HttpContent content = new StringContent(jsonRequest, Encoding.UTF8, "application/json");
27
28    var response = await client.PostAsync(apiUrl, content);
29
30    if (!response.IsSuccessStatusCode)
31    {
32        var error = await response.Content.ReadAsStringAsync();
33        throw new Exception($"Conversion failed: {response.StatusCode} - {error}");
34    }
35
36    var pdfBytes = await response.Content.ReadAsByteArrayAsync();
37    await File.WriteAllBytesAsync(outputFilePath, pdfBytes);
38
39    Console.WriteLine($"PDF saved to {outputFilePath}");
40}

JavaScript

 1async function convertHtmlContentToPdf() {
 2    const url = "https://api.aspose.cloud/v4.0/html/conversion/html-pdf/sync";
 3
 4    const htmlContent = "<html><body><h1>Hello World</h1></body></html>";
 5
 6    const requestBody = JSON.stringify({ "InputContent": htmlContent });
 7
 8    const response = await fetch(url, {
 9        method: 'POST',
10        headers: {
11            'Authorization': 'Bearer YOUR_ACCESS_TOKEN',
12            'Content-Type': 'application/json'
13        },
14        body: requestBody
15    });
16
17    if (!response.ok) {
18        const errorText = await response.text();
19        throw new Error(`Conversion failed: ${response.status} - ${errorText}`);
20    }
21
22    const blob = await response.blob();
23    const downloadLink = document.createElement('a');
24    downloadLink.href = URL.createObjectURL(blob);
25    downloadLink.download = 'output.pdf';
26    downloadLink.click();
27
28    console.log("PDF downloaded successfully.");
29}

Convert from HTML Content – Aspose.HTML Cloud

Conversion Methods from HTML Content

Synchronous HTML Content to PDF Conversion

See Also