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

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

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

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

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

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

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

Use the PDF Document API to embed XMP metadata in PDF documents.

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

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

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

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

Access and modify custom document properties.

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

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

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

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

Create an interactive form field (a list box field) and add it to a PDF document.