annotate and highlight PDF documents - AI tools

Highlights is an AI-powered PDF reader and research tool that transforms PDF annotations into organized notes with features like multilingual OCR, citation lookup, and smart export capabilities.

• Freemium
• From 5$

Afirstsoft PDF is an AI-powered PDF editor for creating, editing, converting, annotating, and organizing PDF documents across multiple platforms, featuring AI summarization and chat.

• Freemium

PDF Reader Pro is an all-in-one PDF solution for viewing, editing, converting, annotating, and form-filling across Mac, Windows, iOS, and Android. It integrates AI features like translation, summarization, and rewriting to enhance document workflows.

• Pay Once

Annotations is a Mac application that simplifies document annotation with highlights, keywords, and notes while maintaining document clarity, designed for researchers, students, and data analysts.

• Free

Macro is an AI-powered PDF reader designed to transform academic, legal, and finance documents into interactive and intelligent resources, enhancing understanding for professionals.

• Contact for Pricing

DeepPDF is an AI-powered tool for interacting with PDF documents. It allows users to chat with PDFs, summarize content, translate, analyze images and formulas, and convert files, simplifying research and document management.

• Freemium

Advanced PDF Editor is an all-in-one PDF editing solution for Mac, offering over 40 features to edit, merge, convert, sign, and secure PDF files with ease and efficiency.

• Freemium
• From 4$

GoodAnnotations provides AI-powered tools for drawing, editing, and annotating PDFs and screenshots to boost productivity and collaboration in digital workflows.

• Other

Xodo is an all-in-one document solution offering powerful tools to manage, edit, convert, and sign PDFs, Office files, and images across web, desktop, and mobile platforms.

• Paid
• From 10$

I, Librarian is an online reference manager and PDF organizer that centralizes document storage, enables full-text search, and facilitates private group collaboration for students and research professionals.

• Other

PalyPDF is an AI-powered PDF management tool that enables users to chat with, search, summarize, and organize PDFs in over 85 languages.

• Freemium
• From 5$

aiPDF revolutionizes document interaction through AI-powered summarization, data extraction, and conversational analysis. This cloud-based solution offers secure processing of various file types with instant citation-backed responses.

• Freemium
• From 9$

UPDF is an AI-powered PDF editor available across multiple platforms (Windows, Mac, iOS, Android). It offers a comprehensive suite of PDF tools and AI features.

• Freemium

PDF Bob is a free online PDF editor that allows users to edit, annotate, create, and manage PDF documents without watermarks or ads.

• Free

ComPDFKit provides comprehensive PDF SDKs for developers, enabling integration of PDF viewing, annotation, editing, conversion, and AI-driven document processing functionalities into applications across multiple platforms.

• Free Trial
• From 67$

xpdf.ai is an AI-powered PDF assistant enabling users to chat, search, and analyze PDF documents. It extracts insights from text, figures, and tables, offers summarization, and generates reports to enhance productivity.

• Freemium
• From 10$

HiPDF is a comprehensive online PDF tool offering editing, conversion, compression, and merging features, enhanced with AI for summarization, translation, and interaction.

• Freemium

PDF GPT leverages AI to summarize, translate, and extract information from your documents, providing citations for enhanced research and productivity.

• Free

PDFConvo allows users to interact with their PDF documents through chat, enabling quick summarization and understanding of the content.

• Freemium

SwifDoo PDF is an AI-powered, all-in-one PDF software providing tools for viewing, creating, editing, converting, merging, compressing, and managing PDF documents efficiently. Its AI capabilities include summarizing, translating, explaining, proofreading, and rewriting content within PDFs.

• Freemium
• From 5$

LightPDF is an all-in-one AI-powered platform offering a comprehensive suite of tools for PDF editing, conversion, OCR, and document interaction, accessible across desktop, mobile, and web.

• Freemium

Adolix offers a suite of free tools including PDF split/merge/conversion, content highlighting, news feed sanitization, and high-contrast browsing to enhance productivity and eye comfort.

• Free

BrainyPDF enables users to interact intelligently with PDF documents through AI-powered chat, summarization, and analysis features.

• Contact for Pricing

Bookaroozie enhances reading by allowing users to interact with PDFs, EPUBs, DOCX, and other formats using AI. Select text for explanations, chat with LLMs, and save insights for deeper understanding.

• Freemium

Smallpdf offers a suite of 21 tools to convert, compress, edit, and sign PDFs for free. Simplify your document management with a user-friendly interface and secure processing.

• Free Trial

NoteButler automatically adds AI summaries to PDFs, websites, YouTube videos, and podcasts in Notion, making them searchable. It performs OCR on PDFs to extract text and create concise summaries.

• Paid
• From 2$

PDF Talk is an AI-powered platform allowing users to interactively chat with PDF documents for summarization, question answering, and multi-document querying.

• Freemium
• From 6$

AI PDF Reader is an intelligent document analysis tool that combines AI and NLP to read, summarize, and translate PDFs while offering interactive chat-based assistance for instant answers.

• Free

ChatPDFGPT is an AI-powered platform that enables users to interact with PDF documents through natural conversation, providing instant answers, summaries, and insights from any PDF file.

• Freemium

PDF.co offers a low-code REST API to automate PDF conversion, editing, data extraction, and document management, streamlining workflows and saving time.

• Free Trial