Tất cả công cụ miễn phí
PDF · Miễn phí 100%

Ask PDF

Ask a question about a PDF and get back the passages most relevant to it, each linked to its page. It finds where the answer lives in the document rather than generating an answer that might be wrong. It is free, needs no account, and adds no watermark to your result.

Temporary workspace removed after processingFree · fair-use only
Before you startClear input, output, and processing details.
Input
PDF
Result
TXT
Capacity
Up to 100 files / 250 MB total
Privacy
Temporary workspace removed after processing

1. Add your input. 2. Choose settings. 3. Check the result and download it. Your original file is not changed on your device. Privacy details

Drop PDF files hereTXT output · up to 100 compatible files

Saved settings — free

Reuse your preferred Ask PDF setup. Recipes stay in this browser and never include files or entered text.

No settings saved for this tool yet.

Included free - no upgrade required

Run up to 100 compatible files (250 MB total), receive a ZIP when multiple results need packaging, and choose the download name.

Free Pro batch queue and export namingQuestion-based retrievalRelevant passagesPage referencesLocal processing
Khi nào bạn cần
Finding a specific clause in a long contract without reading it end to end
Locating where a manual covers a particular procedure
Checking whether a report addresses a specific topic at all
Cách hoạt động

The document text is indexed and your question is matched against it by local retrieval, returning the highest-scoring passages with their page numbers. Nothing is sent to an external AI service.

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