What Makes a PDF Merging Tool Truly FlexibleIf you’re looking for an easy way to sign PDF files, you need to look beyond basic editors. While it offers a great online signature PDF tool, it also allows for more complex edits to the document’s structure. You can use it to sign PDF files and send them out to your coworkers for their signatures. Soda PDF Online (Less Popular but Reliable)Soda PDF offers a robust cloud-based experience that feels very similar to a desktop application. PDF24 Tools (Free and Lightweight Solution)If you want a lightweight, free tool, try PDF24 Tools.