100 documents in one session
Drop your full course materials, lit-review reading list, or research-paper bundle into one chat. AskSia indexes every page across every file and lets you ask cross-document questions in one conversation.
Drop up to 100 documents into AskSia at once, in any format, and read clean summaries in seconds. Every claim links back to the exact page of the source document, with the referenced passage highlighted on hover. PDF, Word, PowerPoint, Markdown, scanned, handwritten. Free to start.
Focus on cellular respiration and the Calvin cycle first — they dominate your textbook1 and lecture slides2. Prof. Chen's notes flag three common exam traps3.
AskSia AI Document Summarizer is a multi-format AI study tool for college students. Upload up to 100 documents at once in any combination of PDF, DOCX, PPTX, Markdown, EPUB, scanned PDFs, and handwritten notes, and chat with all of them in one conversation. Every answer carries [N] citations linking back to the exact page of the exact source. Native OCR handles scans without setup, and 500-page documents process in one pass.
Most document chatbots cap at one file or one format. AskSia handles 100 documents at once across every common format, with citations to the exact page.
Drop your full course materials, lit-review reading list, or research-paper bundle into one chat. AskSia indexes every page across every file and lets you ask cross-document questions in one conversation.
PDF (native and scanned), DOCX, DOC, PPTX, PPT, Markdown, EPUB, TXT, CSV, RTF, plus Google Docs and Google Slides links. Mix freely in the same session, no conversion needed.
Native OCR runs automatically on image-only PDFs, photocopied chapters, and scanned handwritten notebooks. Handwriting recognition works across 40+ languages with no setup.
Every claim in the summary carries a [N] marker. Hover it to see the exact page of the source document with the passage highlighted in yellow. Click to jump into the file at that page.
Ask 'compare definitions of X across these documents', 'which document covers topic Y?', or 'summarize everything across the library on Z'. Synthesized answer with per-file citations.
One click turns your document library into a cross-document study guide, definition flashcards, a concept-check quiz, or a visual concept map. Every card links to the original document page.
Drag and drop. No conversion, no per-file setup, no per-format friction.
Drag up to 100 documents into AskSia at once. Any mix of PDF, DOCX, PPTX, Markdown, EPUB, scanned PDFs, and handwritten notes is supported.
AskSia parses each format natively, runs OCR on scanned and handwritten content, and builds a unified page-level citation index across the entire library.
Read structured summaries with [N] citations. Hover to see the source page highlighted. Ask Sia for flashcards, a quiz, or a cross-document study guide. Export as TXT, DOCX, PDF, Google Docs, or Notion.
Start with cellular respiration1 and the Calvin cycle2. Your handwritten review adds a comparison table4.
Drop the syllabus, every lecture's slide deck, the professor's notes, and the problem sets, all in mixed formats. Sia builds a cross-document study map that mirrors the course.
Load a stack of research PDFs, lab reports, supplementary DOCX files, and dataset CSVs together and ask cross-document research questions with per-file citations.
A textbook PDF plus PowerPoint slides plus Word notes plus Markdown summaries from a study group, all in one session with one citation system.
Photograph or scan handwritten notebooks and drop them in alongside typed documents. Native OCR runs automatically and the handwriting reasons over the same as typed content.
Upload 20+ practice tests and official guides in PDF and DOCX, and ask 'which topics show up most?' or 'give me algebra questions from test 7 and 11'.
Mix Spanish, Mandarin, French, and English documents in one session. Ask in any language, receive answers in any language, with page citations preserved.
Most AI document tools are built for one file. AskSia is built for students studying a whole library at once.
| Feature | AskSia | NotebookLM | ChatPDF | ChatGPT File Upload |
|---|---|---|---|---|
| Max files per session | ✓ 100 | ~ 50 | 1 | ~ 10–20 |
| Native OCR for scanned PDFs | ✓ Auto, no setup | ~ limited | ✗ | ✗ |
| Handwritten notes recognition | ✓ 40+ languages | ✗ | ✗ | ✗ |
| Mixed-format session (PDF+PPT+DOCX+MD) | ✓ All at once | ~ partial | PDF only | ✓ |
| Hover-to-source page highlighting | ✓ Visual preview | ~ citations only | ~ page ref | ✗ |
| 500-page textbook in one pass | ✓ No chunking | ~ size limits | ~ size limits | ✗ truncation |
| Cross-document Q&A | ✓ Unified answer | ✓ | ✗ single doc | ~ degrades |
| Auto flashcards & quizzes | ✓ One click | ✗ | ✗ | ✗ |
| Free to start, no credit card | ✓ 100 files free | ✓ | ~ 1 file free | ✗ Plus needed |
Whether a textbook PDF, lecture slides, professor notes, or scanned handwritten content, AskSia summarizes any document with every claim cited to the page.