
Highlight PDF text online with manual and AI-assisted tools for efficient annotation and secure local editing.

Highlight PDF is an online PDF annotation tool designed for users needing quick, efficient text highlighting in documents. It caters to professionals and everyday users who want to mark up PDFs without additional software. The tool offers manual and AI-powered highlighting to streamline document review and note-taking.
Highlight PDF is a specialized PDF highlighter tool combining manual and AI-assisted text annotation to make document review smoother and more efficient.
Users can input prompts in the AI chat to automatically identify and highlight key information, reducing the time spent on manual scanning and improving focus on important content.
Manual highlighting keeps PDFs entirely on your device without uploads, preserving confidentiality. AI-based highlighting temporarily sends text to a secure server solely for analysis and deletes it post-session.
Yes, users can modify or delete highlights and add notes after uploading, maintaining precise control over annotations.
Its combination of offline manual control and AI assistance adapts to varied workflows—from academic research to professional document analysis—offering flexibility without extra installations.