The Google Drive app -- included on all Android phones and can be downloaded onto an iPhone -- includes markup tools that ...

JetSign Signature App: Fill & Sign PDF Docs Now JetSign Signature App is an application capable of integrating with PDF reader applications, so when you open a document in this format, you can ...

and digitally sign PDF documents with ease. With advanced features like OCR, document security, and PDF optimization, PDF-XChange Editor is a powerful tool for both personal and professional use.