This free online tool switches the black pixels in PDFs to dark blue or another color that is not black. It makes printing without black ink possible.
PDF WIZ Alternatives
PDF WIZ is described as 'Offline PDF converter that converts PDF to Word/PPT/Excel, images, merge, split or compress PDF or remove PDF password, and more' and is an app in the photos & graphics category. There are more than 100 alternatives to PDF WIZ for a variety of platforms, including Windows, Web-based, Mac, Linux and iPad apps. The best PDF WIZ alternative is PDF Arranger, which is both free and Open Source. Other great apps like PDF WIZ are PDF-XChange Editor, PDFsam, Adobe Acrobat DC and Master PDF Editor.