Xodo is an all-in-one PDF reader and PDF annotator/editor. With Xodo, you can read, annotate, sign, and share PDFs and fill in PDF forms, plus sync with Google Drive, Dropbox and OneDrive. Fastest PDF viewing engine and smooth navigation. Write directly on a PDF, highlight and underline text, and more. Auto-sync your PDF edits with Dropbox, Google Drive and OneDrive.