Easily edit text on PDF documents with our free online PDF editor. No extra software to download. PDF ProTip: Saving money with an online editor. Most users who need to modify PDF files instinctively believe that they need to purchase premium desktop software. Free. Windows, Linux. Free editor for PDF documents. Complete editing of PDF documents is possible with PDFedit. You can change raw pdf objects (for advanced users) or use many gui functions. Functionality can be easily extended using a scripting language (ECMAScript).