Google's research notebook that chats with your sources and turns them into audio
★★★★★4.7
Best AI Tools to Chat with PDFs & Documents
Ask questions of long PDFs, contracts and research papers and get answers with sources — no more skimming 200 pages by hand.
14 tools in the directory do this job — ranked by editorial rating. Every listing is editor-reviewed with honest pros, cons and real pricing notes.
Visual whiteboards for learning and deep thinking
★★★★☆4.3
Read, explain and chat with research papers, with a library of millions
★★★★☆4.2
Upload a PDF and chat with it — answers with page references in seconds
★★★★☆4.1
EaseUS's all-in-one AI assistant — multi-model chat, ChatPDF, and image and video tools in one account.
★★★★☆4.0
TextCortex's chat assistant with web access, file chat and custom personas
★★★★☆3.9
Ask questions across long documents and get answers with highlighted evidence
★★★★☆3.9
AI sidebar with ChatGPT, Claude and Gemini, plus deep reading and writing tools
★★★★☆3.9
Chat with PDFs and documents, with a research plugin and knowledge bases
★★★★☆3.8
Document chat with precise citations that point to the exact sentence and table
★★★★☆3.8
Turn lectures, PDFs and videos into flashcards, quizzes and an AI tutor
★★★★☆3.8
Google Slides add-on that turns topics, text, YouTube videos, and PDFs into decks
★★★★☆3.7
Upload a paper, highlight the hard parts, get explanations at your level
★★★★☆3.7
Straightforward chat with PDFs for summaries, questions and quick extraction
★★★★☆3.6
How we rank these tools
Every tool above is scored by our editors on ease of use, feature depth, value for money and output quality. We re-check pricing regularly and we never sell placements — a tool ranks here because it earned the score, not because it paid. If you are choosing between two close options, read the cons on each review page first: that is where the real differences hide.
Other tasks
- Write Blog Posts & Articles — 45 tools
- Write & Polish Text — 14 tools
- Generate Images — 60 tools
- Edit & Enhance Photos — 21 tools
- Create Videos from Text — 34 tools
- Edit Videos & Add Subtitles — 19 tools
- AI Avatars & Presenters — 17 tools
- Voiceovers & Voice Cloning — 20 tools
- Transcribe Audio & Meetings — 21 tools
- Generate Music & Sound — 13 tools
- Research & Get Answers — 53 tools
- Write & Review Code — 59 tools
- Build Apps & Websites — 33 tools
- Design Logos & Branding — 23 tools
- Make Presentations — 18 tools
- SEO & Content Marketing — 26 tools
- Social Media Content — 48 tools
- Customer Support Automation — 20 tools
- Automate Workflows & AI Agents — 89 tools
- Study, Tutoring & Homework — 26 tools
- Analyze Data — 31 tools