Yout - YouTube to Mp3 Converter
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
Magicul.io - Convert between Adobe XD, Figma, PDF, Illustrator, Sketch and more with 1 click
You-Get - Command-line utility to download media contents from the web
CraftMyPDF - Auto-generate PDFs with a drag&drop editor and a simple API