Edit PDF: text, images, white-out and black boxes in your browser
To edit a PDF, open the file, pick a tool and tap the page: type new text, replace a passage that is already there, insert an image, highlight, draw, or cover with white-out and black boxes. Everything happens in this browser, without uploading the file, and covered text can be truly erased.
The PDF never leaves your device
PDF and the page being edited
Everything happens in this tab; your PDF stays the same and a new file comes out.
Tools
Missing: the PDF.