How to Summarize a PDF in 30 Seconds (Free Online)

Updated: January 2026 · Read time: 3 minutes

If you’ve got a long PDF (a contract, report, lecture notes, or a project brief) and need the key points quickly, the fastest method is to use anonline PDF summarizer that produces a clean summary and bullet highlights. Here’s the simplest way to do it in under 30 seconds — for free.

Upload a PDF and summarize →PDF Summarizer page

The 30-second method (step-by-step)

1) Open ReadDocs Upload
Go to app.readdocs.co.uk/upload.
2) Upload your PDF
Drag and drop the PDF, or tap upload and select it from your device.
3) (Optional) Ask a question
Example: “What are the key risks and deadlines?”
4) Generate Summary + Answers
You’ll get a clean summary, key points, and your optional Q&A.

Pro tip

If your PDF is very long, focus on summarizing the most important section first (e.g. the executive summary, conclusions, or the clauses you care about). You’ll get better, more relevant output faster.

What you’ll get (example output)

✅ Summary: 2–5 sentences explaining what the PDF is about.
✅ Key points: 5–8 bullets that highlight what matters.
✅ Q&A: direct answers to your question (if you asked one).

FAQs

Is it really free?

Yes — the free plan allows a limited number of uploads per day. If you need higher usage, you can upgrade later.

Does it work on mobile?

Yes — you can upload a PDF from your phone and get the output right in the browser.

Is my PDF stored?

ReadDocs is designed to summarize your document and return results quickly. If you later add history features, they can be optional.

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