PDFtodo is described as 'Is used to help you change PDF docs. It contains 23 modules like compress PDF, merge PDF, split PDF, convert PDF to Word or other document formats or convert from other formats to PDF. PDFtodo is 100% free and supports batch processing' and is an website in the photos & graphics category. There are more than 100 alternatives to PDFtodo, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and iPhone apps. The best PDFtodo alternative is PDF Arranger, which is both free and Open Source. Other great sites and apps similar to PDFtodo are PDF-XChange Editor, PDFsam, VERT.sh and Adobe Acrobat DC.