Pdf.to - Convert PDF to Word, Excel, JPG, & from. Also compress PDF
RadaeePDF - RadaeePDF is a library for developers who want to render, manipulate, annotate PDF files on Android, iOS and Windows.
RatherListen - Convert URLs, PDFs, & photos to clear spoken audio
Anvil PDF Filling API - The easiest way to programmatically populate any PDF
Bitwar Online PDF Converter - One-click to Interconvert PDF to Word, Excel, PPT, PNG, TXT, HTML, etc., batch mode supported!
genei.io - AI-generated summaries for any article or research paper.