You can turn images into PDFs by clicking JPG to PDF, and pointing the website towards a file on your computer, in Google Drive or in Dropbox—choose your page size and margin options, then click ...

This article shows 3 ways to convert a color InDesign document to grayscale (black & white) - Export PDF, Use color blend or Export image.

A step-by-step guide on how to convert a file into PDF using a mobile app on Android or iOS. For Android: Adobe Acrobat Reader: This app can convert files such as Word, Excel, PowerPoint, and ...