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PDF tools
  • 01MERGE PDF
  • 02COMPRESS PDF
  • 03PDF TO WORD
  • 04PDF TO POWERPOINT
  • 05TRANSLATE PDF
  • 06AI PDF summarizer
  • 07PDF question answering

© 2026 66PDF · Making every long document easier to understand

PDF TOOLBOXTurn a PDF into an editable Word documentMerge multiple PDFs into one fileAI PDF summarizerPrivacy and PDF security66PDF Terms of ServiceContact 66PDFPDF data security and processing

PDF question answering

Ask questions about a PDF and find answers faster

Upload a PDF, ask natural-language questions about conclusions, terms, action items, and key details, and spend less time searching page by page.

Get the key takeawaysFrom PDF to clarity

66PDF

Turn long PDFs into clear, actionable insights

Start with the highlights

Ask about the original PDF and get answers grounded in its content.

Know why it matters

Start with a summary, then ask follow-up questions about details and evidence.

Move to action

Turn a static PDF into a knowledge source you can talk to.

02

From PDF to clarity

One file in.A clear read out.

Choose a file, let AI do the sorting, and move from pages to decisions.

01

Upload your file

Choose a PDF. We’ll validate it and read the content for you.

02

Find the signal

AI identifies the conclusions, terms, and actions that matter most.

03

Read and act

Scan the summary in minutes, then spend your time where it counts.

Frequently asked questions

What kinds of PDFs can 66PDF summarize?

66PDF works well for reports, research papers, product documentation, course materials, and other text-based PDFs. Results for scans or image-only PDFs depend on file quality.

Do I need to install software?

No. Open 66PDF in your browser, upload a PDF, and let AI organize the key points. You can read and download the summary online.

Explore more

AI PDF summarizerSummarize PDF online

Keep using 66PDF

How to summarize a PDF online: from upload to key pointsWhat is an AI PDF summarizer, and which documents suit it?How to ask questions about a PDF with AI
03

Plans that stay simple

Choose your reading rhythm

Start with one free PDF, then choose Basic, Standard, or Advanced as your volume grows.

Free trial

Get the full experience once, then decide if you need more.

Free
  • 1 free PDF summary
  • 10 shared tool credits each month
  • Up to 16 MB per file
  • Read and download your summary
  • PDF Q&A not included

Basic

For people who organize documents now and then.

$9
USD/ month
  • 5 PDF summaries per month
  • 60 shared tool credits each month
  • Up to 32 MB per file
  • Standard processing speed
  • Read summaries online
  • Email support
Most popular

Standard

For frequent readers who need to ask questions about their PDFs.

$19
USD/ month
  • 30 PDF summaries per month
  • 360 shared tool credits each month
  • Up to 64 MB per file
  • PDF questions use shared tool credits
  • Read and download summaries
  • Priority processing

Advanced

For professionals and teams who process long documents often.

$39
USD/ month
  • 60 PDF summaries per month
  • 1,000 shared tool credits each month
  • Up to 100 MB per file
  • PDF questions use shared tool credits
  • Read and download summaries
  • Higher processing priority
04

Ready for clearer reading?

Less time turning pages.More time moving forward.

Upload a PDF, see the point quickly, and keep your attention on the decisions that matter.

See plans and start reading