Advanced PDF Text Editor

I need a simple, reliable way to edit the text inside existing PDF files without converting them to Word first. The tool—or script—you build should let me: • Click straight on any line of text within the PDF and fix or replace individual words... (Budget: ₹600 - ₹1500 INR, Jobs: Desktop Application, Editing, PDF, Photoshop, PHP, Programming, Scripting, Software Development)