Scribd Enhancer with OCR, TXT/HTML export, Snapshot PDF (pixel-perfect), Rich HTML (images inlined), page-range + quality controls. Draggable/collapsible panel + floating gear with position memory. Rich HTML de-duplicates layered text/image. + External Downloader button (scribd.vdownloaders.com) with URL templating. Preview now has a quick-hide toggle.
The unblurring and scraping functions work very well.
OCR and export to txt can save tons of time if you are taking your own notes.
Easily accessible and does not alter the page much.
Simple but visually appealing UI design.