EasyEDA is a web-based schematics and printed circuit board designing tool. It can create and edit schematic diagrams, as well as run SPICE simulation of mixed analogue and digital circuits.
Web page: easyeda.com
PDF (Portable Document Format) is a commonly used document format created by Adobe. Creating a PDF of a keyboard shortcut list may make it easier to print, quicker to open, and view offline. The PDF output is also without any ads, it's just the basic list presented in two or three columns.
Printing notice: Please consider environmental effect before printing on a paper.