iron-software

C# web scraping library that crawls websites with CSS selectors, request throttling, multi-threaded workers, identity rotation, and response caching. Runnable .NET examples for extracting structured data from blogs, shopping sites, and movie databases, following pagination, and honouring robots.txt. .NET Standard 2.0+.

C# Excel library that reads, writes, and edits XLSX, XLS, CSV, and TSV files without Microsoft Office or Interop. Runnable .NET examples for formulas with auto-recalculation, range arithmetic (Sum/Max/Avg), formatting, DataSet conversion, and JSON export. Alternative to EPPlus and Excel Interop on Linux.

C# PDF library that converts HTML to PDF using a real Chromium renderer with full CSS3 and JavaScript support. Runnable .NET examples for generating PDFs from HTML, URLs, and images, plus merging, splitting, digital signatures, form filling, headers and footers, and password protection. .NET 8/7/6/Framework.

C# printing library that sends PDFs, images, and documents to physical and virtual printers from .NET without shelling out to an external viewer. Runnable examples for silent printing, print dialogs, printer discovery, and PrintSettings covering paper size, orientation, DPI, copies, and grayscale. .NET 7/6, Core 3.1, Framework 4.6.2+, MAUI.

C# OCR library that extracts text from images, scanned PDFs, and multi-page TIFFs in 125 languages, built on a tuned Tesseract 5 engine. Runnable .NET examples for image-to-text, PDF-to-text, hOCR export, barcode detection, and preprocessing filters (deskew, denoise, contrast). .NET 8/7/6/Framework.

C# barcode and QR code library that reads and generates Code 39/93/128, EAN-8/13, UPC-A/E, PDF417, Aztec, Data Matrix, QR, Micro QR, and rMQR from images, PDFs, and streams. Runnable .NET examples for batch scanning, image preprocessing, styling with logos, error correction, and SVG export. ZXing alternative.

C# graphics library that replaces System.Drawing.Common with AnyBitmap, Color, Rectangle, Font, Point, and Size types converting implicitly to and from SkiaSharp, ImageSharp, MAUI Graphics, and System.Drawing. Runnable .NET examples for image loading, format export, multi-frame TIFF and GIF, and pixel access. Open source.

Python Excel library that reads, writes, and edits XLSX, XLS, CSV, and TSV files without Microsoft Office or Interop. Runnable Python examples for loading workbooks, cell and range addressing, formulas with automatic recalculation, sorting, border and colour styling, and export to CSV, JSON, and XML. Python 3.7+.

Node.js PDF library that converts HTML to PDF using a real Chromium renderer with full CSS3 and JavaScript support. Runnable JavaScript examples for generating PDFs from HTML, URLs, and images, plus merging, splitting, digital signatures, encryption, PDF/A and PDF/UA output, and rasterizing pages. Node 12+, TypeScript.

C# PowerPoint library that creates, reads, and edits PPTX presentations without Microsoft Office or Interop. Runnable .NET examples for slide generation, text boxes with styled paragraphs, image insertion, shapes (rectangle, ellipse, cloud, and more), and slide layout. .NET 10 through Framework 4.6.2.

Python PDF library that converts HTML to PDF using a real Chromium renderer with full CSS3 and JavaScript support. Runnable Python examples for generating PDFs from HTML, URLs, and images, plus merging, splitting, digital signatures, form filling, printing, and rasterizing pages to images. Python 3.7+ on Windows, macOS, Linux.

C# QR code library that generates and reads QR Code, Micro QR, and Rectangular Micro QR (rMQR), with a machine-learning detection model for damaged, rotated, and low-contrast scans. Runnable .NET examples for error correction levels, styling with logos and colour, scan modes, and image export. .NET 8/7/6/Framework.

C# archive library that creates, reads, and extracts ZIP, TAR, GZIP, and BZIP2 archives with AES password protection and configurable compression levels. Runnable .NET examples for adding files and directories, listing entries, extracting to a directory, and opening password-protected archives. .NET Standard 2.0.

Java PDF library that converts HTML to PDF using a real Chromium renderer with full CSS3 and JavaScript support. Runnable Maven examples for generating PDFs from HTML, URLs, RTF, and images, plus merging, splitting, digital signatures, form filling, headers and footers, and rasterizing pages. Java 8+, Kotlin, Scala.

C# Word library that creates, reads, and edits DOCX files without Microsoft Word or Interop. Runnable .NET examples for paragraphs, text runs with styling, tables with cell merging, images, shapes, page setup, find-and-replace, and MemoryStream export for HTTP delivery. .NET 10/9/8 through Framework 4.6.2.