Toxy

<!-- .csproj -->
<PackageReference Include="Toxy" Version="2.6.0" />

dotnet add package Toxy --version 2.6.0

// From file path
var context = new ParserContext("path/to/file.docx");

// From stream (new in 2.6)
using var stream = File.OpenRead("path/to/file.docx");
var context = new ParserContext(stream, "docx"); // must supply format hint

var parser = ParserFactory.CreateDocument(context);    // for document types
var parser = ParserFactory.CreateSpreadsheet(context); // for spreadsheet types
var parser = ParserFactory.CreateEmail(context);       // for email/contact types

using Toxy;

var context = new ParserContext("report.docx");
var parser = ParserFactory.CreateDocument(context);
ToxyDocument doc = parser.Parse();

foreach (var paragraph in doc.Paragraphs)
{
    Console.WriteLine(paragraph.Text);
}

using Toxy;

var context = new ParserContext("data.xlsx");
var parser = ParserFactory.CreateSpreadsheet(context);
ToxySpreadsheet sheet = parser.Parse();

foreach (var table in sheet.Tables)
{
    Console.WriteLine($"Sheet: {table.Name}");
    foreach (var row in table.Rows)
    {
        foreach (var cell in row.Cells)
        {
            Console.Write($"{cell.Value}\t");
        }
        Console.WriteLine();
    }
}

using Toxy;

// Works with any stream source (MemoryStream, HttpResponseStream, etc.)
using var stream = File.OpenRead("document.pdf");
var context = new ParserContext(stream, "pdf");
var parser = ParserFactory.CreateDocument(context);
ToxyDocument doc = parser.Parse();
Console.WriteLine(doc.Paragraphs[0].Text);

using Toxy;

var context = new ParserContext("file.pdf");
var parser = ParserFactory.CreateDocument(context);
ToxyDocument doc = parser.Parse();

foreach (var para in doc.Paragraphs)
    Console.WriteLine(para.Text);

using Toxy;

var context = new ParserContext("book.epub");
var parser = ParserFactory.CreateDocument(context);
ToxyDocument doc = parser.Parse();

foreach (var para in doc.Paragraphs)
    Console.WriteLine(para.Text);

using Toxy;

var context = new ParserContext("message.eml");
var parser = ParserFactory.CreateEmail(context);
ToxyEmail email = parser.Parse();

Console.WriteLine($"From: {email.From}");
Console.WriteLine($"Subject: {email.Subject}");
Console.WriteLine($"Body: {email.Body}");

using Toxy;

var context = new ParserContext("contact.vcf");
var parser = ParserFactory.CreateEmail(context); // VCF uses email parser factory
ToxyBusinessCard card = (ToxyBusinessCard)parser.Parse();

Console.WriteLine(card.FullName);
Console.WriteLine(card.Email);

using Toxy;

var context = new ParserContext("file.pdf");
var parser = ParserFactory.CreateMetadata(context);
ToxyMetadata meta = parser.Parse();

foreach (var key in meta.Keys)
    Console.WriteLine($"{key}: {meta[key]}");

using Toxy;

var context = new ParserContext("page.html");
var parser = ParserFactory.CreateDom(context);
ToxyDom dom = parser.Parse();

// Access DOM nodes
Console.WriteLine(dom.Root.InnerText);