PaperPDF: Custom Printable Paper Templates

I prefer writing on my iPad with a specific grid or ruling, but finding exactly the right paper is tedious. I wanted a clean tool that just generates a PDF I can write on immediately. PaperPDF lets you pick a paper size (DIN A0–A7, US formats), an orientation, a grid type (ruled, grid, dot, music staff, Seyès, or blank), and a background color, then downloads a ready-to-print PDF. The preview…