Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Video DownloadHelper - Browser extension to download videos from the Web
Apowersoft PDF Converter - Apowersoft PDF Converter is a safe and stable PDF converter, which can quickly convert PDF to Word, PPT, Excel, JPG, PNG and many more formats.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Wide Angle PDF Converter - Convert PDF documents to Word, PowerPoint, Excel, JPG and other formats!
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
AnyMP4 PDF Converter - With versatile and powerful functions, AnyMP4 PDF Converter can absolutely convert PDF format to diversified images (TIFF, JPEG, PNG, GIF, and others) and document files (Text, Word, Excel, EPUB, HTML, and more) on Mac.