About Visual Integrity: Visual Integrity's PDF Conversion SDK, PDF Creation SDK and PDF Custom SDK form an end-to-end PDF API. Using them, you can access and work with PDF object data, convert to vector and image formats, extract text and pre-process PDF pages in your application or service. While most PDF SDK's cater to document creation or conversion, Visual Integrity has 25 years pioneering for developers who need to open, convert or modify the graphics in PDF such as drawings, diagrams, schematics, and line-art.