LightPDF: AI Chat PDF, Scanner

LightPDF is an AI-powered PDF toolkit for mobile that lets you chat with PDFs, summarize content, and extract key information. It supports scanning to PDF with OCR, converting between formats, editing, annotating, and compressing PDFs, all on the go.

It also enables cloud-based collaboration: share links, invite teammates to view, edit, sign, and comment on the same document with controlled permissions, while auto-syncing across devices. Extras include an ID photo maker and AI-powered watermark removal for cleaner results.