PDFio is a simple C library for reading and writing PDF files.

Use the Office File API to create thumbnail images for Excel, Word and PDF documents.

Use the Azure Key Vault API to sign a PDF document.

Obtain a checked appearance name for a check box and specify the check box value.

Extract the text of a PDF document and count the words' occurrences in a document text.

Export a PDF document to multi-page Tiff and bitmap images.

Customize print output and specify settings for a specific document page.

Use a PdfGraphics object to add interactive form fields to a PDF document.

A pdf document toolkit which splits, extracts and merges specified pdf files. Deployed with Flask and accessible via Web UI.

Create a custom timestamp client based on the Bouncy Castle C# API.

Use the PdfDocumentProcessor to add a visual signature to a document.

Implement a PDF viewer in an ASP.NET MVC web application.

Implement a custom signer based on the Bouncy Castle C# API and use a custom digest calculator to calculate a document hash.

Use the PDF Document API to rotate document pages and save the result.

Access and modify custom document properties.

Use the PDF Document API to create a document with graphics in code.

Extract the first page from a PDF document into a separate document.

This free consulting project uses Aspose.PDF for .NET and allows you to encrypt/decrypt a PDF document by applying a password and setting different privileges to it. It is also a representation of API usage under .NET Core Framework.

Implement a PDF viewer in an ASP.NET web application.

Create a bookmark with a destination that displays the found text in a PDF document.