C# .NET Core, Java, Python, PHP, Node.js, Python, JavaScript, C++, Android, Swift, Go, Ruby, Dart, Perl APIs to create and convert Pdf, Word, Excel, PowerPoint, email, JPG, image, ZIP, and other Formats on Windows, Linux, macOS & Android....inside a PDF page is difficult to edit, but the PDF specification...objects that can be added to PDF pages without changing the page...