Convert XLSX → JPEG | Image Converter for .NET – Supercharge Your Reporting & Publishing Workflow with Sheetize

using Sheetize;

// 1️⃣ Load your license (once per app‑domain)
var license = new Sheetize.License();
license.SetLicense(@"C:\Licenses\Sheetize.ImageConverter_for_.NET.lic");

// 2️⃣ Define load options – any supported input file works
var load = new LoadOptions
{
InputFile = @"C:\Data\FinancialReport.xlsx"
};

// 3️⃣ Define save options – here we request a high‑resolution JPEG
var save = new ImageSaveOptions
{
OutputFile = @"C:\Exports\FinancialReport.jpeg",
ImageType = ImageType.Jpeg,
HorizontalResolution = 300, // DPI
VerticalResolution = 300
};

// 4️⃣ Run the conversion
ImageConverter.Process(load, save);

Console.WriteLine("✅ Image generated at: " + save.OutputFile);

using Sheetize;
using System;
using System.IO;
using System.Linq;

try
{
// ① License verification
var license = new Sheetize.License();
license.SetLicense(@"C:\Licenses\Sheetize.ImageConverter_for_.NET.lic");

// ② Supported input extensions
var allowedInputs = new[]
{
".xlsx",".xlsb",".xlsm",".xltm",".xlam",
".xls",".excel95",".xml",".json",".html",".mhtml",
".epub",".azw3",".csv",".tsv",".sqlscript",".dif"
};

// ③ Supported output extensions (image types)
var allowedOutputs = new[] { ".bmp",".png",".jpeg",".jpg",".gif",".tiff",".svg",".emf" };

string inPath = @"C:\Data\Report.epub";
string outPath = @"C:\Exports\Report.svg";

if (!File.Exists(inPath))
throw new FileNotFoundException($"Input file not found: {inPath}");

if (!allowedInputs.Contains(Path.GetExtension(inPath).ToLower()))
throw new NotSupportedException($"Unsupported input format: {Path.GetExtension(inPath)}");

if (!allowedOutputs.Contains(Path.GetExtension(outPath).ToLower()))
throw new NotSupportedException($"Unsupported output format: {Path.GetExtension(outPath)}");

// ④ Prepare options
var loadOptions = new LoadOptions { InputFile = inPath };
var saveOptions = new ImageSaveOptions
{
OutputFile = outPath,
ImageType = Path.GetExtension(outPath).ToLower() switch
{
".bmp" => ImageType.Bmp,
".png" => ImageType.Png,
".jpeg" or ".jpg" => ImageType.Jpeg,
".gif" => ImageType.Gif,
".tiff" => ImageType.Tiff,
".svg" => ImageType.Svg,
".emf" => ImageType.Emf,
_ => throw new NotSupportedException("Unknown image type.")
},
HorizontalResolution = 300,
VerticalResolution = 300
};

// ⑤ Execute
ImageConverter.Process(loadOptions, saveOptions);
Console.WriteLine($"✅ Conversion succeeded → {outPath}");
}
catch (Exception ex)
{
// Centralized logging – replace with Serilog/NLog/etc. as needed
Console.Error.WriteLine($"❌ Conversion failed: {ex.GetType().Name} – {ex.Message}");
// Optionally re‑throw to let the host handle it
// throw;
}

# 1️⃣ Install the NuGet package
dotnet add package Sheetize

# 2️⃣ Grab a free 30‑day trial license (no credit‑card required)
# https://purchase.sheetize.com/temp-license/113911

# 3️⃣ Drop the .lic file into your project (e.g., /Licenses/Sheetize.ImageConverter_for_.NET.lic)

# 4️⃣ Paste the 5‑line snippet above, build & run.