Upload any PDF and get a clear AI-generated summary with key points, conclusions, and action items. No signup. No page limits. Powered by Claude AI.
Files deleted automatically after 2 hours · 100% private
From 10-page reports to 300-page academic theses — AI handles it all
| Feature | PDFTash ✓ | ChatPDF | Smallpdf |
|---|---|---|---|
| Free to Summarize | ✅ | ⚠️ 3/day | ✅ |
| No Signup | ✅ | ❌ Required | ✅ |
| No Page Limit | ✅ | ❌ 50 pages free | ✅ |
| Ask Follow-up Questions | ✅ | ✅ | ❌ |
| Translate After Summary | ✅ | ❌ | ❌ |
| Full PDF Toolkit Included | ✅ | ❌ | ✅ |
| AI Model Used | Claude (Anthropic) | GPT-4 | Unknown |
Most PDFs are summarized in 10–30 seconds. Longer documents (100+ pages) may take up to 60 seconds. The AI processes your document server-side so your device performance doesn't matter.
Yes. The AI can summarize PDFs written in any language and produce the summary in English or your preferred language. You can also use the Translate PDF tool to get a translated version first.
PDFTash uses Claude AI by Anthropic — one of the most capable and accurate language models available. The summary faithfully represents the document's key points. For critical decisions, we recommend reading the relevant sections of the original document.
Yes. After the summary is generated, you can download it as a TXT file or copy it to your clipboard. PDF download of the summary is also available.
Yes, but accuracy depends on scan quality. Text-based PDFs (digitally created) produce the most accurate summaries. For scanned documents, the AI uses text extraction from the image content.
Free users can upload PDFs up to 10MB. Pro users can upload up to 200MB. For very long documents, the AI intelligently samples key sections to produce a comprehensive summary.