Covers the DocumentInfo, Metadata, Outlines, NamedDestinationCollection, EmbeddedFileCollection, and PageLabelCollection APIs in Aspose.PDF FOSS for C++ for managing document-level metadata, bookmarks, named destinations, attachments, and page labels.
Covers the AsposePdfException error hierarchy, interactive form fields (Field, FieldType), embedded file attachments (FileSpecification), font discovery (FontDescriptor, FontRegistry, FontRepository), and outline authoring (OutlineItem) in Aspose.PDF FOSS for Python.
Drawing circles, ellipses, and lines directly on a PDF page with the Graph container, the Shape hierarchy, and GraphInfo/BorderInfo styling in Aspose.PDF FOSS for C++.
A free, MIT-licensed C++20 library for opening, creating, and modifying PDF documents — covering page access, text extraction, raster rendering, encryption, and AcroForm fields with no proprietary runtime dependencies.
A free, MIT-licensed, pure-Python library for creating, reading, editing, rendering, and validating PDF documents — covering text and image placement, annotations, AcroForm fields, encryption, and text extraction through the Document class.
A look at the Annotation class hierarchy in Aspose.PDF FOSS for C++: adding text notes, links, and stamps, detecting annotation types on load, and reading back markup metadata through AnnotationCollection.
Covers the new Document.SaveHTML/WriteHTML, Layer, TaggedContent, and Form.ExportJSON APIs in Aspose.PDF FOSS for Go for HTML export, optional content layers, and accessible (tagged) PDF authoring.
Aspose.PDF FOSS for .NET ships with a rich set of annotation and form-field APIs that let you mark up, link, and interact with PDF documents entirely in managed code — no license key required. Annotations at a glance The library’s AnnotationCollection class provides typed helper methods for every standard PDF annotation. Adding a sticky note is a single call: page.Annotations.AddTextAnnotation( new Rectangle(72, 720, 200, 740), contents: "Review needed", title: "Editor", open: true); Link annotations combine a clickable rectangle with a PdfAction: ...
The Document class is the heart of Aspose.PDF FOSS for .NET. It represents a complete PDF and provides access to every structure inside — pages, annotations, form fields, metadata, and embedded files. Opening documents Load a PDF from a file, a byte array, or a stream: using var doc = Document.Open(File.ReadAllBytes("input.pdf")); Console.WriteLine($"Pages: {doc.Pages.Count}"); Pages use 1-based indexing: doc.Pages[1] is the first page. Creating from scratch using var doc = new Document(); var page = doc.Pages.Add(); page.Paragraphs.Add(new TextFragment("Hello, PDF!")); doc.Save("hello.pdf"); Tables, floating boxes, headers/footers, and graphs are all paragraph types that the layout engine places automatically. ...
Aspose.PDF FOSS for Java provides a Java-native API for PDF document creation, annotation management, interactive form fields, page manipulation, PDF/A compliance validation, and AES-CBC encryption — MIT licensed, no proprietary dependencies.
