PDF API for Java

Read, write and manipulate documents

Add, replace or remove text and images

Set page margin, size, orientation, transition & zoom factor

Add, update, delete attachments and annotations

Add or remove bookmarks

Add and remove watermarks

Split, merge, extract or insert pages

Transform PDF pages to images

Determine and set metadata of documents

Set document's information e.g Author, Subject, Title

Convert PDF to Word document formats

Convert PDF to SVG file format

Manipulate PDF Files On the Fly

Aspose.PDF for Java is a good choice for modifying or manipulating existing PDF files within your applications. This library allows you to open or load PDF file, extract pages, insert pages at a particular location in the file or create N-up's (number of pages over single page) and booklets. You may also use the API to add, update and delete images, attachments, bookmarks, annotations, hyperlinks, watermarks and form fields from an existing PDF.

Split and Merge PDF Files

Aspose.PDF for Java via its API, allows splitting one PDF file into two or more PDF documents. You may also use it to concatenate two or more files in a single document or append PDF pages as per application requirements.

Convert PDF to JPG and Other Image Formats

Aspose.PDF for Java allows you to render and transform each page of a PDF file into conventional image formats such as BMP, JPG and PNG, with the highest possible fidelity. Other than images, one can easily save PDF to DOC and DOCX formats.

Form Field Processing

Aspose.PDF for Java offers the capabilities to add form fields to the PDF document, that is; you can dynamically generate form fields in PDF documents. Just order the position of the form fields as per a table or by custom positioning, and the form fields will be placed in the exact position every time.

Format PDF Contents on Most Granular Level

Aspose.PDF for Java allows to apply horizontal text alignment like place content in right-to-left, preserve white space in the text, create left hanging text paragraphs and set custom tab stops.

Along with horizontal alignment of the text, one can also adjust the vertical alignment for text segments such as baseline or topline as well as more formatting features like setting text foreground and background colors.