Most people if not all uses mobile devices to process digital documents. However, having a lot of file format means having a lot of apps to open these different files.

Office Converter

Office Converter

A free App to convert PDF files for Android. Office Converter converts Word, Excel, and PowerPoint file formats to PDF files. Conversion will be done online. It also allows you to add password to protect your converted PDF files.

DocToPDF

DocToPDF

An android free App. DocToPDF converts doc, docx, xls, xlsx, rtf, and text formats to PDF. You can also share the converted PDF documents via email or Bluetooth. It also has a built-in PDF viewer that lets you view and check the converted file.

Doc Scan

Doc Scan

Ever imagined if you can convert those hard copy print outs to PDF files in an instant? This amazing free App from Apple will grant your wish. Doc Scan can convert hard copies to PDF files just by taking its picture. It also has share and email features for instant sharing.

DocAS Lite

DocAS Lite

An all-in-one free App to convert PDF. DocAS Lite will enable you to read, convert, annotate, and manage PDF files right in your iPad. With its built-in PDF Converter, you can convert MS office documents, iWorks documents, HTML pages, pictures and text formats.

IFiles Converter Lite

IFiles Converter Lite

Another free app to convert PDF on smartphones or tablets. IFiles Converter Lite allows you to convert documents to PDF right on your iPhone. Import files from online storage like Google Drive, Dropbox, or other kinds of cloud storage application with ease and convenience. It supports MS, iWorks, HTML, pictures, and text formats.

To PDF

To PDF

A free iPad app. To PDF converts iWorks and MS documents, web pages, emails, images, contacts, SMS, clipboard, up to Dropbox content to a PDF file. This handy app also has a feature that allows you to annotate, organize, and share PDF files.

File Converter

File Converter

Convert your file with this amazing free App to convert PDF on your smartphones and tablets. File Converter will secure the conversion in a Cloud and the output files can then be downloaded back to the app. This handy free app supports file formats such as video, audio, documents, image, ebooks, and archives, and other 100 source formats.

Able2Extract PDF Converter

Able2Extract PDF Converter

Last but not the least is a Free Cross-Platform App that allows you to create PDF documents from MS Office docx. Able2ExtractPDF Converter will enable you to convert PDF files to PowerPoint, Word, and Excel in just two simple clicks or taps. Outputs can be stored on your phone storage so you can share them with ease via other apps.