Diff Checker - Diff Checker is a free online diff tool that quickly and easily gives you the text differences...
PlutoPDF - A URL to PDF converter wrapped behind a simple API.
Bitwar Online PDF Converter - One-click to Interconvert PDF to Word, Excel, PPT, PNG, TXT, HTML, etc., batch mode supported!
PNG Express - Automated asset exporting and specs from PSDs
Pdf.to - Convert PDF to Word, Excel, JPG, & from. Also compress PDF
Scanbot - Scanbot is a mobile app that allows you to use your device's camera as a document scanner. The app is capable of scanning a large number of source materials, and it can handle QR codes as well.