ChatPDF vs PDF Summarizer

ChatPDF

The quickest way to interrogate one long PDF without building retrieval yourself, and the page-level citations are what keep it honest. But ChatGPT and Claude now read PDFs natively, so ChatPDF only earns its subscription if you need those citations, the multi-file view, or the API.

Pros

• +answers cite specific pages, so you can check them instead of trusting them
• +handles Word, PowerPoint, Markdown and text files, not only PDF
• +REST API supports streaming and multi-turn conversations
• +free tier works with no account and no card

Cons

• −two documents a day on free runs out fast during real research
• −Plus pricing is not published anywhere on the site
• −no team plan, SSO or shared document library
• −hard per-file limit of 2,000 pages or 32 MB

PDF Summarizer

PDF Summarizer does one thing without friction: upload a document, get a summary and key points, ask follow-up questions, no account needed. Format coverage and the 50MB cap handle most real documents, and a privacy policy now says files go to OpenAI's API and are deleted within 30 days. What is still missing is any company name, so you are trusting an anonymous operator with whatever you upload.

Pros

• +No signup or payment required for any stated feature
• +Supports 14 file formats up to 50MB
• +Follow-up chat about the uploaded document, not just a static summary
• +Published retention rule: uploads and summaries deleted within 30 days

Cons

• −No company name or address anywhere on the site, only the domain
• −No account means no way to revisit past summaries across sessions
• −Free, ungated tools like this can change or disappear without notice

Does ChatPDF or PDF Summarizer have a free tier?

Both: ChatPDF has a free tier, and PDF Summarizer is free to use.

Which has a public API, ChatPDF or PDF Summarizer?

ChatPDF ships a public API, as of our last verification. A public API for PDF Summarizer is not confirmed by us — check its developer docs before you plan an integration.