Upload a PDF, add highlights and notes, share PDF annotations, and discuss PDFs with source context on desktop or mobile.
Use Memex as a focused PDF highlighter and PDF annotator for research papers, reports, contracts, manuals, investor docs, and course readings. You can mark important passages, add notes, and keep every annotation attached to the exact source.
Share PDF annotations with teammates, classmates, clients, or collaborators so everyone can review the same highlighted evidence. You can keep comments, highlights, and the original document together instead of sending disconnected notes.
Turn a long PDF into a focused discussion. You can ask questions, leave context-rich notes, and respond around the page or passage that matters, which makes collaborative PDF review easier for research, legal, product, and study workflows.
Open PDFs from a laptop, tablet, or phone and keep the same review workflow available. You can highlight PDFs, review annotations, and continue a discussion even when you switch devices.
Use PDF annotations as reusable research material for briefs, notes, outlines, summaries, and knowledge bases. You can preserve the source trail from highlight to decision instead of losing insights inside the file.
Yes. Upload a PDF, add highlights and notes, and keep your annotations connected to the original document.
Yes. You can share PDF annotations so collaborators can review the same document context and respond to specific highlighted passages.
Yes. You can turn PDF highlights and notes into focused discussions around the exact passage, page, or source context.
Yes. You can open, highlight, annotate, and review PDFs from mobile browsers as well as desktop.
Yes. This PDF annotator focuses on reading, highlights, notes, sharing, and discussion instead of redesigning PDF layouts.